172531491

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{73637}}^1$

素因数の和:73722

約数の個数: 16

約数和(自身を含む): 254492928

約数和(自身を除く): 81961437

約数列:

[1, 3, 11, 33, 71, 213, 781, 2343, 73637, 220911, 810007, 2430021, 5228227, 15684681, 57510497, 172531491]

約数ペア:

[(1, 172531491), (3, 57510497), (11, 15684681), (33, 5228227), (71, 2430021), (213, 810007), (781, 220911), (2343, 73637)]