15505217

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{241}}^1$

素因数の和:369

約数の個数: 24

約数和(自身を含む): 19697832

約数和(自身を除く): 4192615

約数列:

[1, 7, 13, 49, 91, 101, 241, 637, 707, 1313, 1687, 3133, 4949, 9191, 11809, 21931, 24341, 64337, 153517, 170387, 316433, 1192709, 2215031, 15505217]

約数ペア:

[(1, 15505217), (7, 2215031), (13, 1192709), (49, 316433), (91, 170387), (101, 153517), (241, 64337), (637, 24341), (707, 21931), (1313, 11809), (1687, 9191), (3133, 4949)]