12648909

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{6619}}^1$

素因数の和:6649

約数の個数: 24

約数和(自身を含む): 21131040

約数和(自身を除く): 8482131

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 6619, 19857, 46333, 86047, 138999, 258141, 324331, 602329, 972993, 1806987, 4216303, 12648909]

約数ペア:

[(1, 12648909), (3, 4216303), (7, 1806987), (13, 972993), (21, 602329), (39, 324331), (49, 258141), (91, 138999), (147, 86047), (273, 46333), (637, 19857), (1911, 6619)]