2009961

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1$

素因数の和:206

約数の個数: 32

約数和(自身を含む): 3283200

約数和(自身を除く): 1273239

約数列:

[1, 3, 9, 17, 27, 29, 51, 87, 151, 153, 261, 453, 459, 493, 783, 1359, 1479, 2567, 4077, 4379, 4437, 7701, 13137, 13311, 23103, 39411, 69309, 74443, 118233, 223329, 669987, 2009961]

約数ペア:

[(1, 2009961), (3, 669987), (9, 223329), (17, 118233), (27, 74443), (29, 69309), (51, 39411), (87, 23103), (151, 13311), (153, 13137), (261, 7701), (453, 4437), (459, 4379), (493, 4077), (783, 2567), (1359, 1479)]