28139115

素因数分解:

$3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{13693}}^1$

素因数の和:13838

約数の個数: 16

約数和(自身を含む): 45354528

約数和(自身を除く): 17215413

約数列:

[1, 3, 5, 15, 137, 411, 685, 2055, 13693, 41079, 68465, 205395, 1875941, 5627823, 9379705, 28139115]

約数ペア:

[(1, 28139115), (3, 9379705), (5, 5627823), (15, 1875941), (137, 205395), (411, 68465), (685, 41079), (2055, 13693)]