157780209

素因数分解:

$3^1\times {\mathrm{227}}^1\times {\mathrm{443}}^1\times {\mathrm{523}}^1$

素因数の和:1196

約数の個数: 16

約数和(自身を含む): 212182272

約数和(自身を除く): 54402063

約数列:

[1, 3, 227, 443, 523, 681, 1329, 1569, 100561, 118721, 231689, 301683, 356163, 695067, 52593403, 157780209]

約数ペア:

[(1, 157780209), (3, 52593403), (227, 695067), (443, 356163), (523, 301683), (681, 231689), (1329, 118721), (1569, 100561)]