2623509

素因数分解:

$3^4\times 7^2\times {\mathrm{661}}^1$

素因数の和:687

約数の個数: 30

約数和(自身を含む): 4565814

約数和(自身を除く): 1942305

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 661, 1323, 1983, 3969, 4627, 5949, 13881, 17847, 32389, 41643, 53541, 97167, 124929, 291501, 374787, 874503, 2623509]

約数ペア:

[(1, 2623509), (3, 874503), (7, 374787), (9, 291501), (21, 124929), (27, 97167), (49, 53541), (63, 41643), (81, 32389), (147, 17847), (189, 13881), (441, 5949), (567, 4627), (661, 3969), (1323, 1983)]