408201021

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{443}}^1\times {\mathrm{2381}}^1$

素因数の和:2873

約数の個数: 24

約数和(自身を含む): 604951776

約数和(自身を除く): 196750755

約数列:

[1, 3, 9, 43, 129, 387, 443, 1329, 2381, 3987, 7143, 19049, 21429, 57147, 102383, 171441, 307149, 921447, 1054783, 3164349, 9493047, 45355669, 136067007, 408201021]

約数ペア:

[(1, 408201021), (3, 136067007), (9, 45355669), (43, 9493047), (129, 3164349), (387, 1054783), (443, 921447), (1329, 307149), (2381, 171441), (3987, 102383), (7143, 57147), (19049, 21429)]