81548715

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{1531}}^1$

素因数の和:1659

約数の個数: 32

約数和(自身を含む): 135012096

約数和(自身を除く): 53463381

約数列:

[1, 3, 5, 15, 53, 67, 159, 201, 265, 335, 795, 1005, 1531, 3551, 4593, 7655, 10653, 17755, 22965, 53265, 81143, 102577, 243429, 307731, 405715, 512885, 1217145, 1538655, 5436581, 16309743, 27182905, 81548715]

約数ペア:

[(1, 81548715), (3, 27182905), (5, 16309743), (15, 5436581), (53, 1538655), (67, 1217145), (159, 512885), (201, 405715), (265, 307731), (335, 243429), (795, 102577), (1005, 81143), (1531, 53265), (3551, 22965), (4593, 17755), (7655, 10653)]