15857925

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{317}}^1$

素因数の和:382

約数の個数: 48

約数和(自身を含む): 28391040

約数和(自身を除く): 12533115

約数列:

[1, 3, 5, 15, 23, 25, 29, 69, 75, 87, 115, 145, 317, 345, 435, 575, 667, 725, 951, 1585, 1725, 2001, 2175, 3335, 4755, 7291, 7925, 9193, 10005, 16675, 21873, 23775, 27579, 36455, 45965, 50025, 109365, 137895, 182275, 211439, 229825, 546825, 634317, 689475, 1057195, 3171585, 5285975, 15857925]

約数ペア:

[(1, 15857925), (3, 5285975), (5, 3171585), (15, 1057195), (23, 689475), (25, 634317), (29, 546825), (69, 229825), (75, 211439), (87, 182275), (115, 137895), (145, 109365), (317, 50025), (345, 45965), (435, 36455), (575, 27579), (667, 23775), (725, 21873), (951, 16675), (1585, 10005), (1725, 9193), (2001, 7925), (2175, 7291), (3335, 4755)]