9001251

素因数分解:

$3^2\times 7^2\times {\mathrm{20411}}^1$

素因数の和:20431

約数の個数: 18

約数和(自身を含む): 15125292

約数和(自身を除く): 6124041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 20411, 61233, 142877, 183699, 428631, 1000139, 1285893, 3000417, 9001251]

約数ペア:

[(1, 9001251), (3, 3000417), (7, 1285893), (9, 1000139), (21, 428631), (49, 183699), (63, 142877), (147, 61233), (441, 20411)]