77381001

素因数分解:

$3^4\times {\mathrm{61}}^1\times {\mathrm{15661}}^1$

素因数の和:15734

約数の個数: 20

約数和(自身を含む): 117496324

約数和(自身を除く): 40115323

約数列:

[1, 3, 9, 27, 61, 81, 183, 549, 1647, 4941, 15661, 46983, 140949, 422847, 955321, 1268541, 2865963, 8597889, 25793667, 77381001]

約数ペア:

[(1, 77381001), (3, 25793667), (9, 8597889), (27, 2865963), (61, 1268541), (81, 955321), (183, 422847), (549, 140949), (1647, 46983), (4941, 15661)]