13457899

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{571}}^1$

素因数の和:635

約数の個数: 24

約数和(自身を含む): 17345328

約数和(自身を除く): 3887429

約数列:

[1, 7, 13, 37, 49, 91, 259, 481, 571, 637, 1813, 3367, 3997, 7423, 21127, 23569, 27979, 51961, 147889, 274651, 363727, 1035223, 1922557, 13457899]

約数ペア:

[(1, 13457899), (7, 1922557), (13, 1035223), (37, 363727), (49, 274651), (91, 147889), (259, 51961), (481, 27979), (571, 23569), (637, 21127), (1813, 7423), (3367, 3997)]