381301911

素因数分解:

$3^4\times {\mathrm{61}}^1\times {\mathrm{77171}}^1$

素因数の和:77244

約数の個数: 20

約数和(自身を含む): 578944344

約数和(自身を除く): 197642433

約数列:

[1, 3, 9, 27, 61, 81, 183, 549, 1647, 4941, 77171, 231513, 694539, 2083617, 4707431, 6250851, 14122293, 42366879, 127100637, 381301911]

約数ペア:

[(1, 381301911), (3, 127100637), (9, 42366879), (27, 14122293), (61, 6250851), (81, 4707431), (183, 2083617), (549, 694539), (1647, 231513), (4941, 77171)]