89156781

素因数分解:

$3^4\times 7^1\times {\mathrm{157243}}^1$

素因数の和:157262

約数の個数: 20

約数和(自身を含む): 152212192

約数和(自身を除く): 63055411

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 157243, 471729, 1100701, 1415187, 3302103, 4245561, 9906309, 12736683, 29718927, 89156781]

約数ペア:

[(1, 89156781), (3, 29718927), (7, 12736683), (9, 9906309), (21, 4245561), (27, 3302103), (63, 1415187), (81, 1100701), (189, 471729), (567, 157243)]