728559

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{479}}^1$

素因数の和:511

約数の個数: 18

約数和(自身を含む): 1141920

約数和(自身を除く): 413361

約数列:

[1, 3, 9, 13, 39, 117, 169, 479, 507, 1437, 1521, 4311, 6227, 18681, 56043, 80951, 242853, 728559]

約数ペア:

[(1, 728559), (3, 242853), (9, 80951), (13, 56043), (39, 18681), (117, 6227), (169, 4311), (479, 1521), (507, 1437)]