68987121

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{105971}}^1$

素因数の和:106012

約数の個数: 16

約数和(自身を含む): 108515328

約数和(自身を除く): 39528207

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 105971, 317913, 741797, 2225391, 3285101, 9855303, 22995707, 68987121]

約数ペア:

[(1, 68987121), (3, 22995707), (7, 9855303), (21, 3285101), (31, 2225391), (93, 741797), (217, 317913), (651, 105971)]