18610875

素因数分解:

$3^2\times 5^3\times {\mathrm{71}}^1\times {\mathrm{233}}^1$

素因数の和:325

約数の個数: 48

約数和(自身を含む): 34167744

約数和(自身を除く): 15556869

約数列:

[1, 3, 5, 9, 15, 25, 45, 71, 75, 125, 213, 225, 233, 355, 375, 639, 699, 1065, 1125, 1165, 1775, 2097, 3195, 3495, 5325, 5825, 8875, 10485, 15975, 16543, 17475, 26625, 29125, 49629, 52425, 79875, 82715, 87375, 148887, 248145, 262125, 413575, 744435, 1240725, 2067875, 3722175, 6203625, 18610875]

約数ペア:

[(1, 18610875), (3, 6203625), (5, 3722175), (9, 2067875), (15, 1240725), (25, 744435), (45, 413575), (71, 262125), (75, 248145), (125, 148887), (213, 87375), (225, 82715), (233, 79875), (355, 52425), (375, 49629), (639, 29125), (699, 26625), (1065, 17475), (1125, 16543), (1165, 15975), (1775, 10485), (2097, 8875), (3195, 5825), (3495, 5325)]