865637343

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{20521}}^1$

素因数の和:20679

約数の個数: 24

約数和(自身を含む): 1291244240

約数和(自身を除く): 425606897

約数列:

[1, 3, 9, 43, 109, 129, 327, 387, 981, 4687, 14061, 20521, 42183, 61563, 184689, 882403, 2236789, 2647209, 6710367, 7941627, 20131101, 96181927, 288545781, 865637343]

約数ペア:

[(1, 865637343), (3, 288545781), (9, 96181927), (43, 20131101), (109, 7941627), (129, 6710367), (327, 2647209), (387, 2236789), (981, 882403), (4687, 184689), (14061, 61563), (20521, 42183)]