168831

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{37}}^1$

素因数の和:72

約数の個数: 24

約数和(自身を含む): 278160

約数和(自身を除く): 109329

約数列:

[1, 3, 9, 13, 27, 37, 39, 111, 117, 169, 333, 351, 481, 507, 999, 1443, 1521, 4329, 4563, 6253, 12987, 18759, 56277, 168831]

約数ペア:

[(1, 168831), (3, 56277), (9, 18759), (13, 12987), (27, 6253), (37, 4563), (39, 4329), (111, 1521), (117, 1443), (169, 999), (333, 507), (351, 481)]