381555

素因数分解:

$3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:211

約数の個数: 24

約数和(自身を含む): 677040

約数和(自身を除く): 295485

約数列:

[1, 3, 5, 9, 15, 45, 61, 139, 183, 305, 417, 549, 695, 915, 1251, 2085, 2745, 6255, 8479, 25437, 42395, 76311, 127185, 381555]

約数ペア:

[(1, 381555), (3, 127185), (5, 76311), (9, 42395), (15, 25437), (45, 8479), (61, 6255), (139, 2745), (183, 2085), (305, 1251), (417, 915), (549, 695)]