217350783

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{206411}}^1$

素因数の和:206436

約数の個数: 20

約数和(自身を含む): 349661928

約数和(自身を除く): 132311145

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 206411, 619233, 1857699, 2683343, 5573097, 8050029, 16719291, 24150087, 72450261, 217350783]

約数ペア:

[(1, 217350783), (3, 72450261), (9, 24150087), (13, 16719291), (27, 8050029), (39, 5573097), (81, 2683343), (117, 1857699), (351, 619233), (1053, 206411)]