28320453

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{853}}^1$

素因数の和:914

約数の個数: 48

約数和(自身を含む): 51158016

約数和(自身を除く): 22837563

約数列:

[1, 3, 7, 9, 17, 21, 31, 51, 63, 93, 119, 153, 217, 279, 357, 527, 651, 853, 1071, 1581, 1953, 2559, 3689, 4743, 5971, 7677, 11067, 14501, 17913, 26443, 33201, 43503, 53739, 79329, 101507, 130509, 185101, 237987, 304521, 449531, 555303, 913563, 1348593, 1665909, 3146717, 4045779, 9440151, 28320453]

約数ペア:

[(1, 28320453), (3, 9440151), (7, 4045779), (9, 3146717), (17, 1665909), (21, 1348593), (31, 913563), (51, 555303), (63, 449531), (93, 304521), (119, 237987), (153, 185101), (217, 130509), (279, 101507), (357, 79329), (527, 53739), (651, 43503), (853, 33201), (1071, 26443), (1581, 17913), (1953, 14501), (2559, 11067), (3689, 7677), (4743, 5971)]