721031571

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{158017}}^1$

素因数の和:158052

約数の個数: 24

約数和(自身を含む): 1156691760

約数和(自身を除く): 435660189

約数列:

[1, 3, 9, 13, 27, 39, 117, 169, 351, 507, 1521, 4563, 158017, 474051, 1422153, 2054221, 4266459, 6162663, 18487989, 26704873, 55463967, 80114619, 240343857, 721031571]

約数ペア:

[(1, 721031571), (3, 240343857), (9, 80114619), (13, 55463967), (27, 26704873), (39, 18487989), (117, 6162663), (169, 4266459), (351, 2054221), (507, 1422153), (1521, 474051), (4563, 158017)]