2154186723

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{1783}}^1\times {\mathrm{2383}}^1$

素因数の和:4195

約数の個数: 24

約数和(自身を含む): 3113236992

約数和(自身を除く): 959050269

約数列:

[1, 3, 13, 39, 169, 507, 1783, 2383, 5349, 7149, 23179, 30979, 69537, 92937, 301327, 402727, 903981, 1208181, 4248889, 12746667, 55235557, 165706671, 718062241, 2154186723]

約数ペア:

[(1, 2154186723), (3, 718062241), (13, 165706671), (39, 55235557), (169, 12746667), (507, 4248889), (1783, 1208181), (2383, 903981), (5349, 402727), (7149, 301327), (23179, 92937), (30979, 69537)]