9273780621

素因数分解:

$3^2\times 7^2\times {\mathrm{21028981}}^1$

素因数の和:21029001

約数の個数: 18

約数和(自身を含む): 15582475662

約数和(自身を除く): 6308695041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 21028981, 63086943, 147202867, 189260829, 441608601, 1030420069, 1324825803, 3091260207, 9273780621]

約数ペア:

[(1, 9273780621), (3, 3091260207), (7, 1324825803), (9, 1030420069), (21, 441608601), (49, 189260829), (63, 147202867), (147, 63086943), (441, 21028981)]