15315765

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{197}}^1$

素因数の和:349

約数の個数: 32

約数和(自身を含む): 25318656

約数和(自身を除く): 10002891

約数列:

[1, 3, 5, 15, 71, 73, 197, 213, 219, 355, 365, 591, 985, 1065, 1095, 2955, 5183, 13987, 14381, 15549, 25915, 41961, 43143, 69935, 71905, 77745, 209805, 215715, 1021051, 3063153, 5105255, 15315765]

約数ペア:

[(1, 15315765), (3, 5105255), (5, 3063153), (15, 1021051), (71, 215715), (73, 209805), (197, 77745), (213, 71905), (219, 69935), (355, 43143), (365, 41961), (591, 25915), (985, 15549), (1065, 14381), (1095, 13987), (2955, 5183)]