890663607

素因数分解:

$3^4\times {\mathrm{3313}}^1\times {\mathrm{3319}}^1$

素因数の和:6644

約数の個数: 20

約数和(自身を含む): 1331300080

約数和(自身を除く): 440636473

約数列:

[1, 3, 9, 27, 81, 3313, 3319, 9939, 9957, 29817, 29871, 89451, 89613, 268353, 268839, 10995847, 32987541, 98962623, 296887869, 890663607]

約数ペア:

[(1, 890663607), (3, 296887869), (9, 98962623), (27, 32987541), (81, 10995847), (3313, 268839), (3319, 268353), (9939, 89613), (9957, 89451), (29817, 29871)]