80982909

素因数分解:

$3^5\times 7^1\times {\mathrm{47609}}^1$

素因数の和:47631

約数の個数: 24

約数和(自身を含む): 138640320

約数和(自身を除く): 57657411

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 1701, 47609, 142827, 333263, 428481, 999789, 1285443, 2999367, 3856329, 8998101, 11568987, 26994303, 80982909]

約数ペア:

[(1, 80982909), (3, 26994303), (7, 11568987), (9, 8998101), (21, 3856329), (27, 2999367), (63, 1285443), (81, 999789), (189, 428481), (243, 333263), (567, 142827), (1701, 47609)]