15791375

素因数分解:

$5^3\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:204

約数の個数: 32

約数和(自身を含む): 21278400

約数和(自身を除く): 5487025

約数列:

[1, 5, 19, 25, 61, 95, 109, 125, 305, 475, 545, 1159, 1525, 2071, 2375, 2725, 5795, 6649, 7625, 10355, 13625, 28975, 33245, 51775, 126331, 144875, 166225, 258875, 631655, 831125, 3158275, 15791375]

約数ペア:

[(1, 15791375), (5, 3158275), (19, 831125), (25, 631655), (61, 258875), (95, 166225), (109, 144875), (125, 126331), (305, 51775), (475, 33245), (545, 28975), (1159, 13625), (1525, 10355), (2071, 7625), (2375, 6649), (2725, 5795)]