2831139

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1$

素因数の和:176

約数の個数: 32

約数和(自身を含む): 4515840

約数和(自身を除く): 1684701

約数列:

[1, 3, 9, 23, 27, 47, 69, 97, 141, 207, 291, 423, 621, 873, 1081, 1269, 2231, 2619, 3243, 4559, 6693, 9729, 13677, 20079, 29187, 41031, 60237, 104857, 123093, 314571, 943713, 2831139]

約数ペア:

[(1, 2831139), (3, 943713), (9, 314571), (23, 123093), (27, 104857), (47, 60237), (69, 41031), (97, 29187), (141, 20079), (207, 13677), (291, 9729), (423, 6693), (621, 4559), (873, 3243), (1081, 2619), (1269, 2231)]