18183717

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1$

素因数の和:290

約数の個数: 32

約数和(自身を含む): 27941760

約数和(自身を除く): 9758043

約数列:

[1, 3, 9, 27, 53, 97, 131, 159, 291, 393, 477, 873, 1179, 1431, 2619, 3537, 5141, 6943, 12707, 15423, 20829, 38121, 46269, 62487, 114363, 138807, 187461, 343089, 673471, 2020413, 6061239, 18183717]

約数ペア:

[(1, 18183717), (3, 6061239), (9, 2020413), (27, 673471), (53, 343089), (97, 187461), (131, 138807), (159, 114363), (291, 62487), (393, 46269), (477, 38121), (873, 20829), (1179, 15423), (1431, 12707), (2619, 6943), (3537, 5141)]