15717855

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1571}}^1$

素因数の和:1631

約数の個数: 32

約数和(自身を含む): 27164160

約数和(自身を除く): 11446305

約数列:

[1, 3, 5, 15, 23, 29, 69, 87, 115, 145, 345, 435, 667, 1571, 2001, 3335, 4713, 7855, 10005, 23565, 36133, 45559, 108399, 136677, 180665, 227795, 541995, 683385, 1047857, 3143571, 5239285, 15717855]

約数ペア:

[(1, 15717855), (3, 5239285), (5, 3143571), (15, 1047857), (23, 683385), (29, 541995), (69, 227795), (87, 180665), (115, 136677), (145, 108399), (345, 45559), (435, 36133), (667, 23565), (1571, 10005), (2001, 7855), (3335, 4713)]