1277341731

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{685637}}^1$

素因数の和:685672

約数の個数: 20

約数和(自身を含む): 1991092752

約数和(自身を除く): 713751021

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 685637, 2056911, 6170733, 15769651, 18512199, 47308953, 55536597, 141926859, 425780577, 1277341731]

約数ペア:

[(1, 1277341731), (3, 425780577), (9, 141926859), (23, 55536597), (27, 47308953), (69, 18512199), (81, 15769651), (207, 6170733), (621, 2056911), (1863, 685637)]