81637497

素因数分解:

$3^3\times {\mathrm{131}}^1\times {\mathrm{23081}}^1$

素因数の和:23221

約数の個数: 16

約数和(自身を含む): 121872960

約数和(自身を除く): 40235463

約数列:

[1, 3, 9, 27, 131, 393, 1179, 3537, 23081, 69243, 207729, 623187, 3023611, 9070833, 27212499, 81637497]

約数ペア:

[(1, 81637497), (3, 27212499), (9, 9070833), (27, 3023611), (131, 623187), (393, 207729), (1179, 69243), (3537, 23081)]