81656967

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{228731}}^1$

素因数の和:228758

約数の個数: 16

約数和(自身を含む): 131749632

約数和(自身を除く): 50092665

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 228731, 686193, 1601117, 3888427, 4803351, 11665281, 27218989, 81656967]

約数ペア:

[(1, 81656967), (3, 27218989), (7, 11665281), (17, 4803351), (21, 3888427), (51, 1601117), (119, 686193), (357, 228731)]