12881661

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1$

素因数の和:245

約数の個数: 32

約数和(自身を含む): 19407360

約数和(自身を除く): 6525699

約数列:

[1, 3, 13, 37, 39, 79, 111, 113, 237, 339, 481, 1027, 1443, 1469, 2923, 3081, 4181, 4407, 8769, 8927, 12543, 26781, 37999, 54353, 113997, 116051, 163059, 330299, 348153, 990897, 4293887, 12881661]

約数ペア:

[(1, 12881661), (3, 4293887), (13, 990897), (37, 348153), (39, 330299), (79, 163059), (111, 116051), (113, 113997), (237, 54353), (339, 37999), (481, 26781), (1027, 12543), (1443, 8927), (1469, 8769), (2923, 4407), (3081, 4181)]