87299709

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{2521}}^1$

素因数の和:2645

約数の個数: 32

約数和(自身を含む): 142361856

約数和(自身を除く): 55062147

約数列:

[1, 3, 7, 17, 21, 51, 97, 119, 291, 357, 679, 1649, 2037, 2521, 4947, 7563, 11543, 17647, 34629, 42857, 52941, 128571, 244537, 299999, 733611, 899997, 1711759, 4157129, 5135277, 12471387, 29099903, 87299709]

約数ペア:

[(1, 87299709), (3, 29099903), (7, 12471387), (17, 5135277), (21, 4157129), (51, 1711759), (97, 899997), (119, 733611), (291, 299999), (357, 244537), (679, 128571), (1649, 52941), (2037, 42857), (2521, 34629), (4947, 17647), (7563, 11543)]