12871233

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{421}}^1$

素因数の和:549

約数の個数: 24

約数和(自身を含む): 19310720

約数和(自身を除く): 6439487

約数列:

[1, 3, 9, 43, 79, 129, 237, 387, 421, 711, 1263, 3397, 3789, 10191, 18103, 30573, 33259, 54309, 99777, 162927, 299331, 1430137, 4290411, 12871233]

約数ペア:

[(1, 12871233), (3, 4290411), (9, 1430137), (43, 299331), (79, 162927), (129, 99777), (237, 54309), (387, 33259), (421, 30573), (711, 18103), (1263, 10191), (3397, 3789)]