87741801

素因数分解:

$3^2\times 7^3\times {\mathrm{43}}^1\times {\mathrm{661}}^1$

素因数の和:731

約数の個数: 48

約数和(自身を含む): 151465600

約数和(自身を除く): 63723799

約数列:

[1, 3, 7, 9, 21, 43, 49, 63, 129, 147, 301, 343, 387, 441, 661, 903, 1029, 1983, 2107, 2709, 3087, 4627, 5949, 6321, 13881, 14749, 18963, 28423, 32389, 41643, 44247, 85269, 97167, 132741, 198961, 226723, 255807, 291501, 596883, 680169, 1392727, 1790649, 2040507, 4178181, 9749089, 12534543, 29247267, 87741801]

約数ペア:

[(1, 87741801), (3, 29247267), (7, 12534543), (9, 9749089), (21, 4178181), (43, 2040507), (49, 1790649), (63, 1392727), (129, 680169), (147, 596883), (301, 291501), (343, 255807), (387, 226723), (441, 198961), (661, 132741), (903, 97167), (1029, 85269), (1983, 44247), (2107, 41643), (2709, 32389), (3087, 28423), (4627, 18963), (5949, 14749), (6321, 13881)]