80446779

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{9601}}^1$

素因数の和:9640

約数の個数: 36

約数和(自身を含む): 142301640

約数和(自身を除く): 61854861

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 171, 399, 441, 931, 1197, 2793, 8379, 9601, 28803, 67207, 86409, 182419, 201621, 470449, 547257, 604863, 1276933, 1411347, 1641771, 3830799, 4234041, 8938531, 11492397, 26815593, 80446779]

約数ペア:

[(1, 80446779), (3, 26815593), (7, 11492397), (9, 8938531), (19, 4234041), (21, 3830799), (49, 1641771), (57, 1411347), (63, 1276933), (133, 604863), (147, 547257), (171, 470449), (399, 201621), (441, 182419), (931, 86409), (1197, 67207), (2793, 28803), (8379, 9601)]