1864755837

素因数分解:

$3^4\times 7^1\times {\mathrm{3288811}}^1$

素因数の和:3288830

約数の個数: 20

約数和(自身を含む): 3183570016

約数和(自身を除く): 1318814179

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 3288811, 9866433, 23021677, 29599299, 69065031, 88797897, 207195093, 266393691, 621585279, 1864755837]

約数ペア:

[(1, 1864755837), (3, 621585279), (7, 266393691), (9, 207195093), (21, 88797897), (27, 69065031), (63, 29599299), (81, 23021677), (189, 9866433), (567, 3288811)]