81657947

素因数分解:

$7^1\times {\mathrm{59}}^1\times {\mathrm{163}}^1\times {\mathrm{1213}}^1$

素因数の和:1442

約数の個数: 16

約数和(自身を含む): 95566080

約数和(自身を除く): 13908133

約数列:

[1, 7, 59, 163, 413, 1141, 1213, 8491, 9617, 67319, 71567, 197719, 500969, 1384033, 11665421, 81657947]

約数ペア:

[(1, 81657947), (7, 11665421), (59, 1384033), (163, 500969), (413, 197719), (1141, 71567), (1213, 67319), (8491, 9617)]