669987

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1$

素因数の和:203

約数の個数: 24

約数和(自身を含む): 1067040

約数和(自身を除く): 397053

約数列:

[1, 3, 9, 17, 29, 51, 87, 151, 153, 261, 453, 493, 1359, 1479, 2567, 4379, 4437, 7701, 13137, 23103, 39411, 74443, 223329, 669987]

約数ペア:

[(1, 669987), (3, 223329), (9, 74443), (17, 39411), (29, 23103), (51, 13137), (87, 7701), (151, 4437), (153, 4379), (261, 2567), (453, 1479), (493, 1359)]