398522835

素因数分解:

$3^4\times 5^1\times {\mathrm{984007}}^1$

素因数の和:984024

約数の個数: 20

約数和(自身を含む): 714389808

約数和(自身を除く): 315866973

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 984007, 2952021, 4920035, 8856063, 14760105, 26568189, 44280315, 79704567, 132840945, 398522835]

約数ペア:

[(1, 398522835), (3, 132840945), (5, 79704567), (9, 44280315), (15, 26568189), (27, 14760105), (45, 8856063), (81, 4920035), (135, 2952021), (405, 984007)]