27981956118

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{65685343}}^1$

素因数の和:65685419

約数の個数: 16

約数和(自身を含む): 56752137216

約数和(自身を除く): 28770181098

約数列:

[1, 2, 3, 6, 71, 142, 213, 426, 65685343, 131370686, 197056029, 394112058, 4663659353, 9327318706, 13990978059, 27981956118]

約数ペア:

[(1, 27981956118), (2, 13990978059), (3, 9327318706), (6, 4663659353), (71, 394112058), (142, 197056029), (213, 131370686), (426, 65685343)]