28187037

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{10837}}^1$

素因数の和:10877

約数の個数: 18

約数和(自身を含む): 43254458

約数和(自身を除く): 15067421

約数列:

[1, 3, 9, 17, 51, 153, 289, 867, 2601, 10837, 32511, 97533, 184229, 552687, 1658061, 3131893, 9395679, 28187037]

約数ペア:

[(1, 28187037), (3, 9395679), (9, 3131893), (17, 1658061), (51, 552687), (153, 184229), (289, 97533), (867, 32511), (2601, 10837)]