208333887

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{677}}^1\times {\mathrm{1531}}^1$

素因数の和:2278

約数の個数: 16

約数和(自身を含む): 282525312

約数和(自身を除く): 74191425

約数列:

[1, 3, 67, 201, 677, 1531, 2031, 4593, 45359, 102577, 136077, 307731, 1036487, 3109461, 69444629, 208333887]

約数ペア:

[(1, 208333887), (3, 69444629), (67, 3109461), (201, 1036487), (677, 307731), (1531, 136077), (2031, 102577), (4593, 45359)]