13805799

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{4943}}^1$

素因数の和:4979

約数の個数: 24

約数和(自身を含む): 22544640

約数和(自身を除く): 8738841

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 4943, 14829, 34601, 93917, 103803, 242207, 281751, 657419, 726621, 1972257, 4601933, 13805799]

約数ペア:

[(1, 13805799), (3, 4601933), (7, 1972257), (19, 726621), (21, 657419), (49, 281751), (57, 242207), (133, 103803), (147, 93917), (399, 34601), (931, 14829), (2793, 4943)]