12587289

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:138

約数の個数: 48

約数和(自身を含む): 20695104

約数和(自身を除く): 8107815

約数列:

[1, 3, 11, 13, 33, 37, 39, 61, 111, 143, 169, 183, 407, 429, 481, 507, 671, 793, 1221, 1443, 1859, 2013, 2257, 2379, 5291, 5577, 6253, 6771, 8723, 10309, 15873, 18759, 24827, 26169, 29341, 30927, 68783, 74481, 88023, 113399, 206349, 322751, 340197, 381433, 968253, 1144299, 4195763, 12587289]

約数ペア:

[(1, 12587289), (3, 4195763), (11, 1144299), (13, 968253), (33, 381433), (37, 340197), (39, 322751), (61, 206349), (111, 113399), (143, 88023), (169, 74481), (183, 68783), (407, 30927), (429, 29341), (481, 26169), (507, 24827), (671, 18759), (793, 15873), (1221, 10309), (1443, 8723), (1859, 6771), (2013, 6253), (2257, 5577), (2379, 5291)]