81200619

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{31219}}^1$

素因数の和:31259

約数の個数: 18

約数和(自身を含む): 124599020

約数和(自身を除く): 43398401

約数列:

[1, 3, 9, 17, 51, 153, 289, 867, 2601, 31219, 93657, 280971, 530723, 1592169, 4776507, 9022291, 27066873, 81200619]

約数ペア:

[(1, 81200619), (3, 27066873), (9, 9022291), (17, 4776507), (51, 1592169), (153, 530723), (289, 280971), (867, 93657), (2601, 31219)]