15165215

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{131}}^1\times {\mathrm{137}}^1$

素因数の和:299

約数の個数: 24

約数和(自身を含む): 20001168

約数和(自身を除く): 4835953

約数列:

[1, 5, 13, 65, 131, 137, 169, 655, 685, 845, 1703, 1781, 8515, 8905, 17947, 22139, 23153, 89735, 110695, 115765, 233311, 1166555, 3033043, 15165215]

約数ペア:

[(1, 15165215), (5, 3033043), (13, 1166555), (65, 233311), (131, 115765), (137, 110695), (169, 89735), (655, 23153), (685, 22139), (845, 17947), (1703, 8905), (1781, 8515)]