71731917

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1$

素因数の和:250

約数の個数: 48

約数和(自身を含む): 113038848

約数和(自身を除く): 41306931

約数列:

[1, 3, 9, 23, 47, 69, 73, 101, 141, 207, 219, 303, 423, 657, 909, 1081, 1679, 2323, 3243, 3431, 4747, 5037, 6969, 7373, 9729, 10293, 14241, 15111, 20907, 22119, 30879, 42723, 66357, 78913, 109181, 169579, 236739, 327543, 346531, 508737, 710217, 982629, 1039593, 1526211, 3118779, 7970213, 23910639, 71731917]

約数ペア:

[(1, 71731917), (3, 23910639), (9, 7970213), (23, 3118779), (47, 1526211), (69, 1039593), (73, 982629), (101, 710217), (141, 508737), (207, 346531), (219, 327543), (303, 236739), (423, 169579), (657, 109181), (909, 78913), (1081, 66357), (1679, 42723), (2323, 30879), (3243, 22119), (3431, 20907), (4747, 15111), (5037, 14241), (6969, 10293), (7373, 9729)]