181891177

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^2\times {\mathrm{293}}^1$

素因数の和:429

約数の個数: 24

約数和(自身を含む): 212113944

約数和(自身を除く): 30222767

約数列:

[1, 13, 17, 53, 221, 293, 689, 901, 2809, 3809, 4981, 11713, 15529, 36517, 47753, 64753, 201877, 263993, 620789, 823037, 3431909, 10699481, 13991629, 181891177]

約数ペア:

[(1, 181891177), (13, 13991629), (17, 10699481), (53, 3431909), (221, 823037), (293, 620789), (689, 263993), (901, 201877), (2809, 64753), (3809, 47753), (4981, 36517), (11713, 15529)]