128870541

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{207521}}^1$

素因数の和:207553

約数の個数: 16

約数和(自身を含む): 199221120

約数和(自身を除く): 70350579

約数列:

[1, 3, 9, 23, 27, 69, 207, 621, 207521, 622563, 1867689, 4772983, 5603067, 14318949, 42956847, 128870541]

約数ペア:

[(1, 128870541), (3, 42956847), (9, 14318949), (23, 5603067), (27, 4772983), (69, 1867689), (207, 622563), (621, 207521)]