131248665

素因数分解:

$3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{20983}}^1$

素因数の和:21133

約数の個数: 24

約数和(自身を含む): 229145280

約数和(自身を除く): 97896615

約数列:

[1, 3, 5, 9, 15, 45, 139, 417, 695, 1251, 2085, 6255, 20983, 62949, 104915, 188847, 314745, 944235, 2916637, 8749911, 14583185, 26249733, 43749555, 131248665]

約数ペア:

[(1, 131248665), (3, 43749555), (5, 26249733), (9, 14583185), (15, 8749911), (45, 2916637), (139, 944235), (417, 314745), (695, 188847), (1251, 104915), (2085, 62949), (6255, 20983)]