13406913

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 22684480

約数和(自身を除く): 9277567

約数列:

[1, 3, 9, 13, 19, 37, 39, 57, 111, 117, 163, 171, 247, 333, 481, 489, 703, 741, 1443, 1467, 2109, 2119, 2223, 3097, 4329, 6031, 6327, 6357, 9139, 9291, 18093, 19071, 27417, 27873, 40261, 54279, 78403, 82251, 114589, 120783, 235209, 343767, 362349, 705627, 1031301, 1489657, 4468971, 13406913]

約数ペア:

[(1, 13406913), (3, 4468971), (9, 1489657), (13, 1031301), (19, 705627), (37, 362349), (39, 343767), (57, 235209), (111, 120783), (117, 114589), (163, 82251), (171, 78403), (247, 54279), (333, 40261), (481, 27873), (489, 27417), (703, 19071), (741, 18093), (1443, 9291), (1467, 9139), (2109, 6357), (2119, 6327), (2223, 6031), (3097, 4329)]