1555477587

素因数分解:

$3^4\times {\mathrm{137}}^1\times {\mathrm{140171}}^1$

素因数の和:140320

約数の個数: 20

約数和(自身を含む): 2340592056

約数和(自身を除く): 785114469

約数列:

[1, 3, 9, 27, 81, 137, 411, 1233, 3699, 11097, 140171, 420513, 1261539, 3784617, 11353851, 19203427, 57610281, 172830843, 518492529, 1555477587]

約数ペア:

[(1, 1555477587), (3, 518492529), (9, 172830843), (27, 57610281), (81, 19203427), (137, 11353851), (411, 3784617), (1233, 1261539), (3699, 420513), (11097, 140171)]