71671365

素因数分解:

$3^3\times 5^1\times {\mathrm{521}}^1\times {\mathrm{1019}}^1$

素因数の和:1554

約数の個数: 32

約数和(自身を含む): 127785600

約数和(自身を除く): 56114235

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 521, 1019, 1563, 2605, 3057, 4689, 5095, 7815, 9171, 14067, 15285, 23445, 27513, 45855, 70335, 137565, 530899, 1592697, 2654495, 4778091, 7963485, 14334273, 23890455, 71671365]

約数ペア:

[(1, 71671365), (3, 23890455), (5, 14334273), (9, 7963485), (15, 4778091), (27, 2654495), (45, 1592697), (135, 530899), (521, 137565), (1019, 70335), (1563, 45855), (2605, 27513), (3057, 23445), (4689, 15285), (5095, 14067), (7815, 9171)]