81801756

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{1831}}^1$

素因数の和:1931

約数の個数: 72

約数和(自身を含む): 222060384

約数和(自身を除く): 140258628

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 73, 102, 146, 153, 204, 219, 292, 306, 438, 612, 657, 876, 1241, 1314, 1831, 2482, 2628, 3662, 3723, 4964, 5493, 7324, 7446, 10986, 11169, 14892, 16479, 21972, 22338, 31127, 32958, 44676, 62254, 65916, 93381, 124508, 133663, 186762, 267326, 280143, 373524, 400989, 534652, 560286, 801978, 1120572, 1202967, 1603956, 2272271, 2405934, 4544542, 4811868, 6816813, 9089084, 13633626, 20450439, 27267252, 40900878, 81801756]

約数ペア:

[(1, 81801756), (2, 40900878), (3, 27267252), (4, 20450439), (6, 13633626), (9, 9089084), (12, 6816813), (17, 4811868), (18, 4544542), (34, 2405934), (36, 2272271), (51, 1603956), (68, 1202967), (73, 1120572), (102, 801978), (146, 560286), (153, 534652), (204, 400989), (219, 373524), (292, 280143), (306, 267326), (438, 186762), (612, 133663), (657, 124508), (876, 93381), (1241, 65916), (1314, 62254), (1831, 44676), (2482, 32958), (2628, 31127), (3662, 22338), (3723, 21972), (4964, 16479), (5493, 14892), (7324, 11169), (7446, 10986)]