81009756

素因数分解:

$2^2\times 3^2\times {\mathrm{139}}^1\times {\mathrm{16189}}^1$

素因数の和:16338

約数の個数: 36

約数和(自身を含む): 206260600

約数和(自身を除く): 125250844

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 139, 278, 417, 556, 834, 1251, 1668, 2502, 5004, 16189, 32378, 48567, 64756, 97134, 145701, 194268, 291402, 582804, 2250271, 4500542, 6750813, 9001084, 13501626, 20252439, 27003252, 40504878, 81009756]

約数ペア:

[(1, 81009756), (2, 40504878), (3, 27003252), (4, 20252439), (6, 13501626), (9, 9001084), (12, 6750813), (18, 4500542), (36, 2250271), (139, 582804), (278, 291402), (417, 194268), (556, 145701), (834, 97134), (1251, 64756), (1668, 48567), (2502, 32378), (5004, 16189)]