128551407

素因数分解:

$3^1\times {\mathrm{79}}^1\times {\mathrm{251}}^1\times {\mathrm{2161}}^1$

素因数の和:2494

約数の個数: 16

約数和(自身を含む): 174343680

約数和(自身を除く): 45792273

約数列:

[1, 3, 79, 237, 251, 753, 2161, 6483, 19829, 59487, 170719, 512157, 542411, 1627233, 42850469, 128551407]

約数ペア:

[(1, 128551407), (3, 42850469), (79, 1627233), (237, 542411), (251, 512157), (753, 170719), (2161, 59487), (6483, 19829)]