390735

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{457}}^1$

素因数の和:487

約数の個数: 24

約数和(自身を含む): 714480

約数和(自身を除く): 323745

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 457, 855, 1371, 2285, 4113, 6855, 8683, 20565, 26049, 43415, 78147, 130245, 390735]

約数ペア:

[(1, 390735), (3, 130245), (5, 78147), (9, 43415), (15, 26049), (19, 20565), (45, 8683), (57, 6855), (95, 4113), (171, 2285), (285, 1371), (457, 855)]