289493625

素因数分解:

$3^1\times 5^3\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1$

素因数の和:303

約数の個数: 64

約数和(自身を含む): 498161664

約数和(自身を除く): 208668039

約数列:

[1, 3, 5, 15, 25, 71, 75, 83, 125, 131, 213, 249, 355, 375, 393, 415, 655, 1065, 1245, 1775, 1965, 2075, 3275, 5325, 5893, 6225, 8875, 9301, 9825, 10375, 10873, 16375, 17679, 26625, 27903, 29465, 31125, 32619, 46505, 49125, 54365, 88395, 139515, 147325, 163095, 232525, 271825, 441975, 697575, 736625, 771983, 815475, 1162625, 1359125, 2209875, 2315949, 3487875, 3859915, 4077375, 11579745, 19299575, 57898725, 96497875, 289493625]

約数ペア:

[(1, 289493625), (3, 96497875), (5, 57898725), (15, 19299575), (25, 11579745), (71, 4077375), (75, 3859915), (83, 3487875), (125, 2315949), (131, 2209875), (213, 1359125), (249, 1162625), (355, 815475), (375, 771983), (393, 736625), (415, 697575), (655, 441975), (1065, 271825), (1245, 232525), (1775, 163095), (1965, 147325), (2075, 139515), (3275, 88395), (5325, 54365), (5893, 49125), (6225, 46505), (8875, 32619), (9301, 31125), (9825, 29465), (10375, 27903), (10873, 26625), (16375, 17679)]