68307717

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{449}}^1$

素因数の和:645

約数の個数: 32

約数和(自身を含む): 102384000

約数和(自身を除く): 34076283

約数列:

[1, 3, 17, 19, 51, 57, 157, 323, 449, 471, 969, 1347, 2669, 2983, 7633, 8007, 8531, 8949, 22899, 25593, 50711, 70493, 145027, 152133, 211479, 435081, 1198381, 1339367, 3595143, 4018101, 22769239, 68307717]

約数ペア:

[(1, 68307717), (3, 22769239), (17, 4018101), (19, 3595143), (51, 1339367), (57, 1198381), (157, 435081), (323, 211479), (449, 152133), (471, 145027), (969, 70493), (1347, 50711), (2669, 25593), (2983, 22899), (7633, 8949), (8007, 8531)]