131804225

素因数分解:

$5^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{12347}}^1$

素因数の和:12425

約数の個数: 24

約数和(自身を含む): 189862848

約数和(自身を除く): 58058623

約数列:

[1, 5, 7, 25, 35, 61, 175, 305, 427, 1525, 2135, 10675, 12347, 61735, 86429, 308675, 432145, 753167, 2160725, 3765835, 5272169, 18829175, 26360845, 131804225]

約数ペア:

[(1, 131804225), (5, 26360845), (7, 18829175), (25, 5272169), (35, 3765835), (61, 2160725), (175, 753167), (305, 432145), (427, 308675), (1525, 86429), (2135, 61735), (10675, 12347)]