206645985

素因数分解:

$3^6\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1$

素因数の和:139

約数の個数: 168

約数和(自身を含む): 470995560

約数和(自身を除く): 264349575

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 27, 35, 39, 45, 49, 63, 65, 81, 89, 91, 105, 117, 135, 147, 189, 195, 243, 245, 267, 273, 315, 351, 405, 441, 445, 455, 567, 585, 623, 637, 729, 735, 801, 819, 945, 1053, 1157, 1215, 1323, 1335, 1365, 1701, 1755, 1869, 1911, 2205, 2403, 2457, 2835, 3115, 3159, 3185, 3471, 3645, 3969, 4005, 4095, 4361, 5103, 5265, 5607, 5733, 5785, 6615, 7209, 7371, 8099, 8505, 9345, 9477, 9555, 10413, 11907, 12015, 12285, 13083, 15795, 16821, 17199, 17355, 19845, 21627, 21805, 22113, 24297, 25515, 28035, 28665, 31239, 35721, 36045, 36855, 39249, 40495, 47385, 50463, 51597, 52065, 56693, 59535, 64881, 65415, 66339, 72891, 84105, 85995, 93717, 108135, 110565, 117747, 121485, 151389, 154791, 156195, 170079, 178605, 196245, 218673, 252315, 257985, 281151, 283465, 324405, 331695, 353241, 364455, 454167, 464373, 468585, 510237, 588735, 656019, 756945, 773955, 843453, 850395, 1059723, 1093365, 1405755, 1530711, 1766205, 1968057, 2270835, 2321865, 2551185, 3179169, 3280095, 4217265, 4592133, 5298615, 5904171, 7653555, 9840285, 13776399, 15895845, 22960665, 29520855, 41329197, 68881995, 206645985]

約数ペア:

[(1, 206645985), (3, 68881995), (5, 41329197), (7, 29520855), (9, 22960665), (13, 15895845), (15, 13776399), (21, 9840285), (27, 7653555), (35, 5904171), (39, 5298615), (45, 4592133), (49, 4217265), (63, 3280095), (65, 3179169), (81, 2551185), (89, 2321865), (91, 2270835), (105, 1968057), (117, 1766205), (135, 1530711), (147, 1405755), (189, 1093365), (195, 1059723), (243, 850395), (245, 843453), (267, 773955), (273, 756945), (315, 656019), (351, 588735), (405, 510237), (441, 468585), (445, 464373), (455, 454167), (567, 364455), (585, 353241), (623, 331695), (637, 324405), (729, 283465), (735, 281151), (801, 257985), (819, 252315), (945, 218673), (1053, 196245), (1157, 178605), (1215, 170079), (1323, 156195), (1335, 154791), (1365, 151389), (1701, 121485), (1755, 117747), (1869, 110565), (1911, 108135), (2205, 93717), (2403, 85995), (2457, 84105), (2835, 72891), (3115, 66339), (3159, 65415), (3185, 64881), (3471, 59535), (3645, 56693), (3969, 52065), (4005, 51597), (4095, 50463), (4361, 47385), (5103, 40495), (5265, 39249), (5607, 36855), (5733, 36045), (5785, 35721), (6615, 31239), (7209, 28665), (7371, 28035), (8099, 25515), (8505, 24297), (9345, 22113), (9477, 21805), (9555, 21627), (10413, 19845), (11907, 17355), (12015, 17199), (12285, 16821), (13083, 15795)]