80919993

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{179}}^1$

素因数の和:322

約数の個数: 64

約数和(自身を含む): 143769600

約数和(自身を除く): 62849607

約数列:

[1, 3, 7, 11, 19, 21, 33, 57, 77, 103, 133, 179, 209, 231, 309, 399, 537, 627, 721, 1133, 1253, 1463, 1957, 1969, 2163, 3399, 3401, 3759, 4389, 5871, 5907, 7931, 10203, 13699, 13783, 18437, 21527, 23793, 23807, 37411, 41097, 41349, 55311, 64581, 71421, 112233, 129059, 150689, 202807, 261877, 350303, 387177, 452067, 608421, 785631, 1050909, 1419649, 2452121, 3853333, 4258947, 7356363, 11559999, 26973331, 80919993]

約数ペア:

[(1, 80919993), (3, 26973331), (7, 11559999), (11, 7356363), (19, 4258947), (21, 3853333), (33, 2452121), (57, 1419649), (77, 1050909), (103, 785631), (133, 608421), (179, 452067), (209, 387177), (231, 350303), (309, 261877), (399, 202807), (537, 150689), (627, 129059), (721, 112233), (1133, 71421), (1253, 64581), (1463, 55311), (1957, 41349), (1969, 41097), (2163, 37411), (3399, 23807), (3401, 23793), (3759, 21527), (4389, 18437), (5871, 13783), (5907, 13699), (7931, 10203)]