28409511

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{3181}}^1$

素因数の和:3426

約数の個数: 16

約数和(自身を含む): 40984160

約数和(自身を除く): 12574649

約数列:

[1, 3, 13, 39, 229, 687, 2977, 3181, 8931, 9543, 41353, 124059, 728449, 2185347, 9469837, 28409511]

約数ペア:

[(1, 28409511), (3, 9469837), (13, 2185347), (39, 728449), (229, 124059), (687, 41353), (2977, 9543), (3181, 8931)]