78817731

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{53}}^2\times {\mathrm{199}}^1$

素因数の和:355

約数の個数: 24

約数和(自身を含む): 109939200

約数和(自身を除く): 31121469

約数列:

[1, 3, 47, 53, 141, 159, 199, 597, 2491, 2809, 7473, 8427, 9353, 10547, 28059, 31641, 132023, 396069, 495709, 558991, 1487127, 1676973, 26272577, 78817731]

約数ペア:

[(1, 78817731), (3, 26272577), (47, 1676973), (53, 1487127), (141, 558991), (159, 495709), (199, 396069), (597, 132023), (2491, 31641), (2809, 28059), (7473, 10547), (8427, 9353)]