56742489

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{2531}}^1$

素因数の和:2637

約数の個数: 24

約数和(自身を含む): 85318272

約数和(自身を除く): 28575783

約数列:

[1, 3, 9, 47, 53, 141, 159, 423, 477, 2491, 2531, 7473, 7593, 22419, 22779, 118957, 134143, 356871, 402429, 1070613, 1207287, 6304721, 18914163, 56742489]

約数ペア:

[(1, 56742489), (3, 18914163), (9, 6304721), (47, 1207287), (53, 1070613), (141, 402429), (159, 356871), (423, 134143), (477, 118957), (2491, 22779), (2531, 22419), (7473, 7593)]