72821391

素因数分解:

$3^1\times {\mathrm{137}}^1\times {\mathrm{163}}^1\times {\mathrm{1087}}^1$

素因数の和:1390

約数の個数: 16

約数和(自身を含む): 98494464

約数和(自身を除く): 25673073

約数列:

[1, 3, 137, 163, 411, 489, 1087, 3261, 22331, 66993, 148919, 177181, 446757, 531543, 24273797, 72821391]

約数ペア:

[(1, 72821391), (3, 24273797), (137, 531543), (163, 446757), (411, 177181), (489, 148919), (1087, 66993), (3261, 22331)]