87642867

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{389}}^1$

素因数の和:567

約数の個数: 32

約数和(自身を含む): 129729600

約数和(自身を除く): 42086733

約数列:

[1, 3, 13, 39, 53, 109, 159, 327, 389, 689, 1167, 1417, 2067, 4251, 5057, 5777, 15171, 17331, 20617, 42401, 61851, 75101, 127203, 225303, 268021, 551213, 804063, 1653639, 2247253, 6741759, 29214289, 87642867]

約数ペア:

[(1, 87642867), (3, 29214289), (13, 6741759), (39, 2247253), (53, 1653639), (109, 804063), (159, 551213), (327, 268021), (389, 225303), (689, 127203), (1167, 75101), (1417, 61851), (2067, 42401), (4251, 20617), (5057, 17331), (5777, 15171)]