221437479

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{683}}^1\times {\mathrm{1613}}^1$

素因数の和:2366

約数の個数: 16

約数和(自身を含む): 300281472

約数和(自身を除く): 78843993

約数列:

[1, 3, 67, 201, 683, 1613, 2049, 4839, 45761, 108071, 137283, 324213, 1101679, 3305037, 73812493, 221437479]

約数ペア:

[(1, 221437479), (3, 73812493), (67, 3305037), (201, 1101679), (683, 324213), (1613, 137283), (2049, 108071), (4839, 45761)]