207868809

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{53}}^2\times {\mathrm{1451}}^1$

素因数の和:1577

約数の個数: 24

約数和(自身を含む): 299309472

約数和(自身を除く): 91440663

約数列:

[1, 3, 17, 51, 53, 159, 901, 1451, 2703, 2809, 4353, 8427, 24667, 47753, 74001, 76903, 143259, 230709, 1307351, 3922053, 4075859, 12227577, 69289603, 207868809]

約数ペア:

[(1, 207868809), (3, 69289603), (17, 12227577), (51, 4075859), (53, 3922053), (159, 1307351), (901, 230709), (1451, 143259), (2703, 76903), (2809, 74001), (4353, 47753), (8427, 24667)]