28285413

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{4007}}^1$

素因数の和:4204

約数の個数: 16

約数和(自身を含む): 40849536

約数和(自身を除く): 12564123

約数列:

[1, 3, 13, 39, 181, 543, 2353, 4007, 7059, 12021, 52091, 156273, 725267, 2175801, 9428471, 28285413]

約数ペア:

[(1, 28285413), (3, 9428471), (13, 2175801), (39, 725267), (181, 156273), (543, 52091), (2353, 12021), (4007, 7059)]