9902979

素因数分解:

$3^5\times {\mathrm{83}}^1\times {\mathrm{491}}^1$

素因数の和:589

約数の個数: 24

約数和(自身を含む): 15043392

約数和(自身を除く): 5140413

約数列:

[1, 3, 9, 27, 81, 83, 243, 249, 491, 747, 1473, 2241, 4419, 6723, 13257, 20169, 39771, 40753, 119313, 122259, 366777, 1100331, 3300993, 9902979]

約数ペア:

[(1, 9902979), (3, 3300993), (9, 1100331), (27, 366777), (81, 122259), (83, 119313), (243, 40753), (249, 39771), (491, 20169), (747, 13257), (1473, 6723), (2241, 4419)]