53390907

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{15329}}^1$

素因数の和:15384

約数の個数: 20

約数和(自身を含む): 81616920

約数和(自身を除く): 28226013

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 15329, 45987, 137961, 413883, 659147, 1241649, 1977441, 5932323, 17796969, 53390907]

約数ペア:

[(1, 53390907), (3, 17796969), (9, 5932323), (27, 1977441), (43, 1241649), (81, 659147), (129, 413883), (387, 137961), (1161, 45987), (3483, 15329)]