280206963

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{499}}^1\times {\mathrm{1451}}^1$

素因数の和:1999

約数の個数: 24

約数和(自身を含む): 415272000

約数和(自身を除く): 135065037

約数列:

[1, 3, 9, 43, 129, 387, 499, 1451, 1497, 4353, 4491, 13059, 21457, 62393, 64371, 187179, 193113, 561537, 724049, 2172147, 6516441, 31134107, 93402321, 280206963]

約数ペア:

[(1, 280206963), (3, 93402321), (9, 31134107), (43, 6516441), (129, 2172147), (387, 724049), (499, 561537), (1451, 193113), (1497, 187179), (4353, 64371), (4491, 62393), (13059, 21457)]