15898309

素因数分解:

$7^1\times {\mathrm{101}}^1\times {\mathrm{113}}^1\times {\mathrm{199}}^1$

素因数の和:420

約数の個数: 16

約数和(自身を含む): 18604800

約数和(自身を除く): 2706491

約数列:

[1, 7, 101, 113, 199, 707, 791, 1393, 11413, 20099, 22487, 79891, 140693, 157409, 2271187, 15898309]

約数ペア:

[(1, 15898309), (7, 2271187), (101, 157409), (113, 140693), (199, 79891), (707, 22487), (791, 20099), (1393, 11413)]