207452427

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{108557}}^1$

素因数の和:108587

約数の個数: 24

約数和(自身を含む): 346517136

約数和(自身を除く): 139064709

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 108557, 325671, 759899, 1411241, 2279697, 4233723, 5319293, 9878687, 15957879, 29636061, 69150809, 207452427]

約数ペア:

[(1, 207452427), (3, 69150809), (7, 29636061), (13, 15957879), (21, 9878687), (39, 5319293), (49, 4233723), (91, 2279697), (147, 1411241), (273, 759899), (637, 325671), (1911, 108557)]