31146147

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{193}}^1$

素因数の和:384

約数の個数: 32

約数和(自身を含む): 47801600

約数和(自身を除く): 16655453

約数列:

[1, 3, 9, 27, 43, 129, 139, 193, 387, 417, 579, 1161, 1251, 1737, 3753, 5211, 5977, 8299, 17931, 24897, 26827, 53793, 74691, 80481, 161379, 224073, 241443, 724329, 1153561, 3460683, 10382049, 31146147]

約数ペア:

[(1, 31146147), (3, 10382049), (9, 3460683), (27, 1153561), (43, 724329), (129, 241443), (139, 224073), (193, 161379), (387, 80481), (417, 74691), (579, 53793), (1161, 26827), (1251, 24897), (1737, 17931), (3753, 8299), (5211, 5977)]