261750453

素因数分解:

$3^1\times {\mathrm{31}}^2\times {\mathrm{163}}^1\times {\mathrm{557}}^1$

素因数の和:785

約数の個数: 24

約数和(自身を含む): 363485664

約数和(自身を除く): 101735211

約数列:

[1, 3, 31, 93, 163, 489, 557, 961, 1671, 2883, 5053, 15159, 17267, 51801, 90791, 156643, 272373, 469929, 535277, 1605831, 2814521, 8443563, 87250151, 261750453]

約数ペア:

[(1, 261750453), (3, 87250151), (31, 8443563), (93, 2814521), (163, 1605831), (489, 535277), (557, 469929), (961, 272373), (1671, 156643), (2883, 90791), (5053, 51801), (15159, 17267)]