28679739

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{7691}}^1$

素因数の和:7818

約数の個数: 16

約数和(自身を含む): 42090624

約数和(自身を除く): 13410885

約数列:

[1, 3, 11, 33, 113, 339, 1243, 3729, 7691, 23073, 84601, 253803, 869083, 2607249, 9559913, 28679739]

約数ペア:

[(1, 28679739), (3, 9559913), (11, 2607249), (33, 869083), (113, 253803), (339, 84601), (1243, 23073), (3729, 7691)]