81707423

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{3079}}^1$

素因数の和:3326

約数の個数: 16

約数和(自身を含む): 99348480

約数和(自身を除く): 17641057

約数列:

[1, 7, 17, 119, 223, 1561, 3079, 3791, 21553, 26537, 52343, 366401, 686617, 4806319, 11672489, 81707423]

約数ペア:

[(1, 81707423), (7, 11672489), (17, 4806319), (119, 686617), (223, 366401), (1561, 52343), (3079, 26537), (3791, 21553)]