9252621

素因数分解:

$3^2\times 7^2\times {\mathrm{20981}}^1$

素因数の和:21001

約数の個数: 18

約数和(自身を含む): 15547662

約数和(自身を除く): 6295041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 20981, 62943, 146867, 188829, 440601, 1028069, 1321803, 3084207, 9252621]

約数ペア:

[(1, 9252621), (3, 3084207), (7, 1321803), (9, 1028069), (21, 440601), (49, 188829), (63, 146867), (147, 62943), (441, 20981)]