28662705

素因数分解:

$3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{4057}}^1$

素因数の和:4225

約数の個数: 24

約数和(自身を含む): 50010792

約数和(自身を除く): 21348087

約数列:

[1, 3, 5, 9, 15, 45, 157, 471, 785, 1413, 2355, 4057, 7065, 12171, 20285, 36513, 60855, 182565, 636949, 1910847, 3184745, 5732541, 9554235, 28662705]

約数ペア:

[(1, 28662705), (3, 9554235), (5, 5732541), (9, 3184745), (15, 1910847), (45, 636949), (157, 182565), (471, 60855), (785, 36513), (1413, 20285), (2355, 12171), (4057, 7065)]