31189995

素因数分解:

$3^3\times 5^1\times {\mathrm{463}}^1\times {\mathrm{499}}^1$

素因数の和:976

約数の個数: 32

約数和(自身を含む): 55680000

約数和(自身を除く): 24490005

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 463, 499, 1389, 1497, 2315, 2495, 4167, 4491, 6945, 7485, 12501, 13473, 20835, 22455, 62505, 67365, 231037, 693111, 1155185, 2079333, 3465555, 6237999, 10396665, 31189995]

約数ペア:

[(1, 31189995), (3, 10396665), (5, 6237999), (9, 3465555), (15, 2079333), (27, 1155185), (45, 693111), (135, 231037), (463, 67365), (499, 62505), (1389, 22455), (1497, 20835), (2315, 13473), (2495, 12501), (4167, 7485), (4491, 6945)]