210264579

素因数分解:

$3^4\times 7^1\times {\mathrm{370837}}^1$

素因数の和:370856

約数の個数: 20

約数和(自身を含む): 358971184

約数和(自身を除く): 148706605

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 370837, 1112511, 2595859, 3337533, 7787577, 10012599, 23362731, 30037797, 70088193, 210264579]

約数ペア:

[(1, 210264579), (3, 70088193), (7, 30037797), (9, 23362731), (21, 10012599), (27, 7787577), (63, 3337533), (81, 2595859), (189, 1112511), (567, 370837)]