23712225

素因数分解:

$3^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:218

約数の個数: 48

約数和(自身を含む): 40961664

約数和(自身を除く): 17249439

約数列:

[1, 3, 5, 15, 25, 61, 71, 73, 75, 183, 213, 219, 305, 355, 365, 915, 1065, 1095, 1525, 1775, 1825, 4331, 4453, 4575, 5183, 5325, 5475, 12993, 13359, 15549, 21655, 22265, 25915, 64965, 66795, 77745, 108275, 111325, 129575, 316163, 324825, 333975, 388725, 948489, 1580815, 4742445, 7904075, 23712225]

約数ペア:

[(1, 23712225), (3, 7904075), (5, 4742445), (15, 1580815), (25, 948489), (61, 388725), (71, 333975), (73, 324825), (75, 316163), (183, 129575), (213, 111325), (219, 108275), (305, 77745), (355, 66795), (365, 64965), (915, 25915), (1065, 22265), (1095, 21655), (1525, 15549), (1775, 13359), (1825, 12993), (4331, 5475), (4453, 5325), (4575, 5183)]