28251693

素因数分解:

$3^3\times {\mathrm{313}}^1\times {\mathrm{3343}}^1$

素因数の和:3665

約数の個数: 16

約数和(自身を含む): 42000640

約数和(自身を除く): 13748947

約数列:

[1, 3, 9, 27, 313, 939, 2817, 3343, 8451, 10029, 30087, 90261, 1046359, 3139077, 9417231, 28251693]

約数ペア:

[(1, 28251693), (3, 9417231), (9, 3139077), (27, 1046359), (313, 90261), (939, 30087), (2817, 10029), (3343, 8451)]