13280127

素因数分解:

$3^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{1481}}^1$

素因数の和:1559

約数の個数: 24

約数和(自身を含む): 20949552

約数和(自身を除く): 7669425

約数列:

[1, 3, 7, 21, 49, 61, 147, 183, 427, 1281, 1481, 2989, 4443, 8967, 10367, 31101, 72569, 90341, 217707, 271023, 632387, 1897161, 4426709, 13280127]

約数ペア:

[(1, 13280127), (3, 4426709), (7, 1897161), (21, 632387), (49, 271023), (61, 217707), (147, 90341), (183, 72569), (427, 31101), (1281, 10367), (1481, 8967), (2989, 4443)]