31203009

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{397}}^1$

素因数の和:518

約数の個数: 32

約数和(自身を含む): 48142080

約数和(自身を除く): 16939071

約数列:

[1, 3, 9, 27, 41, 71, 123, 213, 369, 397, 639, 1107, 1191, 1917, 2911, 3573, 8733, 10719, 16277, 26199, 28187, 48831, 78597, 84561, 146493, 253683, 439479, 761049, 1155667, 3467001, 10401003, 31203009]

約数ペア:

[(1, 31203009), (3, 10401003), (9, 3467001), (27, 1155667), (41, 761049), (71, 439479), (123, 253683), (213, 146493), (369, 84561), (397, 78597), (639, 48831), (1107, 28187), (1191, 26199), (1917, 16277), (2911, 10719), (3573, 8733)]