8420221281

素因数分解:

$3^1\times {\mathrm{73}}^1\times {\mathrm{1621}}^1\times {\mathrm{23719}}^1$

素因数の和:25416

約数の個数: 16

約数和(自身を含む): 11388256640

約数和(自身を除く): 2968035359

約数列:

[1, 3, 73, 219, 1621, 4863, 23719, 71157, 118333, 354999, 1731487, 5194461, 38448499, 115345497, 2806740427, 8420221281]

約数ペア:

[(1, 8420221281), (3, 2806740427), (73, 115345497), (219, 38448499), (1621, 5194461), (4863, 1731487), (23719, 354999), (71157, 118333)]