31517397

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{401}}^1$

素因数の和:522

約数の個数: 32

約数和(自身を含む): 48625920

約数和(自身を除く): 17108523

約数列:

[1, 3, 9, 27, 41, 71, 123, 213, 369, 401, 639, 1107, 1203, 1917, 2911, 3609, 8733, 10827, 16441, 26199, 28471, 49323, 78597, 85413, 147969, 256239, 443907, 768717, 1167311, 3501933, 10505799, 31517397]

約数ペア:

[(1, 31517397), (3, 10505799), (9, 3501933), (27, 1167311), (41, 768717), (71, 443907), (123, 256239), (213, 147969), (369, 85413), (401, 78597), (639, 49323), (1107, 28471), (1203, 26199), (1917, 16441), (2911, 10827), (3609, 8733)]