25528971

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{1171}}^1$

素因数の和:1243

約数の個数: 24

約数和(自身を含む): 37747776

約数和(自身を除く): 12218805

約数列:

[1, 3, 13, 39, 43, 129, 169, 507, 559, 1171, 1677, 3513, 7267, 15223, 21801, 45669, 50353, 151059, 197899, 593697, 654589, 1963767, 8509657, 25528971]

約数ペア:

[(1, 25528971), (3, 8509657), (13, 1963767), (39, 654589), (43, 593697), (129, 197899), (169, 151059), (507, 50353), (559, 45669), (1171, 21801), (1677, 15223), (3513, 7267)]