15877141

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:209

約数の個数: 24

約数和(自身を含む): 19653504

約数和(自身を除く): 3776363

約数列:

[1, 7, 19, 61, 103, 133, 361, 427, 721, 1159, 1957, 2527, 6283, 8113, 13699, 22021, 37183, 43981, 119377, 154147, 260281, 835639, 2268163, 15877141]

約数ペア:

[(1, 15877141), (7, 2268163), (19, 835639), (61, 260281), (103, 154147), (133, 119377), (361, 43981), (427, 37183), (721, 22021), (1159, 13699), (1957, 8113), (2527, 6283)]