138710313

素因数分解:

$3^4\times 7^1\times {\mathrm{244639}}^1$

素因数の和:244658

約数の個数: 20

約数和(自身を含む): 236811520

約数和(自身を除く): 98101207

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 244639, 733917, 1712473, 2201751, 5137419, 6605253, 15412257, 19815759, 46236771, 138710313]

約数ペア:

[(1, 138710313), (3, 46236771), (7, 19815759), (9, 15412257), (21, 6605253), (27, 5137419), (63, 2201751), (81, 1712473), (189, 733917), (567, 244639)]