129127557

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1\times {\mathrm{349}}^1$

素因数の和:597

約数の個数: 32

約数和(自身を含む): 190512000

約数和(自身を除く): 61384443

約数列:

[1, 3, 13, 39, 53, 159, 179, 349, 537, 689, 1047, 2067, 2327, 4537, 6981, 9487, 13611, 18497, 28461, 55491, 62471, 123331, 187413, 240461, 369993, 721383, 812123, 2436369, 3310963, 9932889, 43042519, 129127557]

約数ペア:

[(1, 129127557), (3, 43042519), (13, 9932889), (39, 3310963), (53, 2436369), (159, 812123), (179, 721383), (349, 369993), (537, 240461), (689, 187413), (1047, 123331), (2067, 62471), (2327, 55491), (4537, 28461), (6981, 18497), (9487, 13611)]