2040381

素因数分解:

$3^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{233}}^1$

素因数の和:385

約数の個数: 24

約数和(自身を含む): 3407040

約数和(自身を除く): 1366659

約数列:

[1, 3, 7, 9, 21, 63, 139, 233, 417, 699, 973, 1251, 1631, 2097, 2919, 4893, 8757, 14679, 32387, 97161, 226709, 291483, 680127, 2040381]

約数ペア:

[(1, 2040381), (3, 680127), (7, 291483), (9, 226709), (21, 97161), (63, 32387), (139, 14679), (233, 8757), (417, 4893), (699, 2919), (973, 2097), (1251, 1631)]