31142529

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1$

素因数の和:187

約数の個数: 64

約数和(自身を含む): 54190080

約数和(自身を除く): 23047551

約数列:

[1, 3, 9, 11, 23, 27, 33, 47, 69, 97, 99, 141, 207, 253, 291, 297, 423, 517, 621, 759, 873, 1067, 1081, 1269, 1551, 2231, 2277, 2619, 3201, 3243, 4559, 4653, 6693, 6831, 9603, 9729, 11891, 13677, 13959, 20079, 24541, 28809, 29187, 35673, 41031, 50149, 60237, 73623, 104857, 107019, 123093, 150447, 220869, 314571, 321057, 451341, 662607, 943713, 1153427, 1354023, 2831139, 3460281, 10380843, 31142529]

約数ペア:

[(1, 31142529), (3, 10380843), (9, 3460281), (11, 2831139), (23, 1354023), (27, 1153427), (33, 943713), (47, 662607), (69, 451341), (97, 321057), (99, 314571), (141, 220869), (207, 150447), (253, 123093), (291, 107019), (297, 104857), (423, 73623), (517, 60237), (621, 50149), (759, 41031), (873, 35673), (1067, 29187), (1081, 28809), (1269, 24541), (1551, 20079), (2231, 13959), (2277, 13677), (2619, 11891), (3201, 9729), (3243, 9603), (4559, 6831), (4653, 6693)]