17800965

素因数分解:

$3^5\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1$

素因数の和:70

約数の個数: 144

約数和(自身を含む): 41827968

約数和(自身を除く): 24027003

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 23, 27, 35, 39, 45, 49, 63, 65, 69, 81, 91, 105, 115, 117, 135, 147, 161, 189, 195, 207, 243, 245, 273, 299, 315, 345, 351, 405, 441, 455, 483, 567, 585, 621, 637, 735, 805, 819, 897, 945, 1035, 1053, 1127, 1215, 1323, 1365, 1449, 1495, 1701, 1755, 1863, 1911, 2093, 2205, 2415, 2457, 2691, 2835, 3105, 3159, 3185, 3381, 3969, 4095, 4347, 4485, 5265, 5589, 5635, 5733, 6279, 6615, 7245, 7371, 8073, 8505, 9315, 9555, 10143, 10465, 11907, 12285, 13041, 13455, 14651, 15795, 16905, 17199, 18837, 19845, 21735, 22113, 24219, 27945, 28665, 30429, 31395, 36855, 39123, 40365, 43953, 50715, 51597, 56511, 59535, 65205, 72657, 73255, 85995, 91287, 94185, 110565, 121095, 131859, 152145, 154791, 169533, 195615, 219765, 257985, 273861, 282555, 363285, 395577, 456435, 508599, 659295, 773955, 847665, 1186731, 1369305, 1977885, 2542995, 3560193, 5933655, 17800965]

約数ペア:

[(1, 17800965), (3, 5933655), (5, 3560193), (7, 2542995), (9, 1977885), (13, 1369305), (15, 1186731), (21, 847665), (23, 773955), (27, 659295), (35, 508599), (39, 456435), (45, 395577), (49, 363285), (63, 282555), (65, 273861), (69, 257985), (81, 219765), (91, 195615), (105, 169533), (115, 154791), (117, 152145), (135, 131859), (147, 121095), (161, 110565), (189, 94185), (195, 91287), (207, 85995), (243, 73255), (245, 72657), (273, 65205), (299, 59535), (315, 56511), (345, 51597), (351, 50715), (405, 43953), (441, 40365), (455, 39123), (483, 36855), (567, 31395), (585, 30429), (621, 28665), (637, 27945), (735, 24219), (805, 22113), (819, 21735), (897, 19845), (945, 18837), (1035, 17199), (1053, 16905), (1127, 15795), (1215, 14651), (1323, 13455), (1365, 13041), (1449, 12285), (1495, 11907), (1701, 10465), (1755, 10143), (1863, 9555), (1911, 9315), (2093, 8505), (2205, 8073), (2415, 7371), (2457, 7245), (2691, 6615), (2835, 6279), (3105, 5733), (3159, 5635), (3185, 5589), (3381, 5265), (3969, 4485), (4095, 4347)]