281385

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1$

素因数の和:74

約数の個数: 36

約数和(自身を含む): 542412

約数和(自身を除く): 261027

約数列:

[1, 3, 5, 9, 13, 15, 37, 39, 45, 65, 111, 117, 169, 185, 195, 333, 481, 507, 555, 585, 845, 1443, 1521, 1665, 2405, 2535, 4329, 6253, 7215, 7605, 18759, 21645, 31265, 56277, 93795, 281385]

約数ペア:

[(1, 281385), (3, 93795), (5, 56277), (9, 31265), (13, 21645), (15, 18759), (37, 7605), (39, 7215), (45, 6253), (65, 4329), (111, 2535), (117, 2405), (169, 1665), (185, 1521), (195, 1443), (333, 845), (481, 585), (507, 555)]