80898291

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:225

約数の個数: 64

約数和(自身を含む): 135475200

約数和(自身を除く): 54576909

約数列:

[1, 3, 9, 17, 23, 27, 51, 69, 79, 97, 153, 207, 237, 291, 391, 459, 621, 711, 873, 1173, 1343, 1649, 1817, 2133, 2231, 2619, 3519, 4029, 4947, 5451, 6693, 7663, 10557, 12087, 14841, 16353, 20079, 22989, 30889, 36261, 37927, 44523, 49059, 60237, 68967, 92667, 113781, 130271, 176249, 206901, 278001, 341343, 390813, 528747, 834003, 1024029, 1172439, 1586241, 2996233, 3517317, 4758723, 8988699, 26966097, 80898291]

約数ペア:

[(1, 80898291), (3, 26966097), (9, 8988699), (17, 4758723), (23, 3517317), (27, 2996233), (51, 1586241), (69, 1172439), (79, 1024029), (97, 834003), (153, 528747), (207, 390813), (237, 341343), (291, 278001), (391, 206901), (459, 176249), (621, 130271), (711, 113781), (873, 92667), (1173, 68967), (1343, 60237), (1649, 49059), (1817, 44523), (2133, 37927), (2231, 36261), (2619, 30889), (3519, 22989), (4029, 20079), (4947, 16353), (5451, 14841), (6693, 12087), (7663, 10557)]