20192571

素因数分解:

$3^7\times 7^1\times {\mathrm{1319}}^1$

素因数の和:1347

約数の個数: 32

約数和(自身を含む): 34636800

約数和(自身を除く): 14444229

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1319, 1701, 2187, 3957, 5103, 9233, 11871, 15309, 27699, 35613, 83097, 106839, 249291, 320517, 747873, 961551, 2243619, 2884653, 6730857, 20192571]

約数ペア:

[(1, 20192571), (3, 6730857), (7, 2884653), (9, 2243619), (21, 961551), (27, 747873), (63, 320517), (81, 249291), (189, 106839), (243, 83097), (567, 35613), (729, 27699), (1319, 15309), (1701, 11871), (2187, 9233), (3957, 5103)]