28486719

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{7243}}^1$

素因数の和:7291

約数の個数: 24

約数和(自身を含む): 45202560

約数和(自身を除く): 16715841

約数列:

[1, 3, 9, 19, 23, 57, 69, 171, 207, 437, 1311, 3933, 7243, 21729, 65187, 137617, 166589, 412851, 499767, 1238553, 1499301, 3165191, 9495573, 28486719]

約数ペア:

[(1, 28486719), (3, 9495573), (9, 3165191), (19, 1499301), (23, 1238553), (57, 499767), (69, 412851), (171, 166589), (207, 137617), (437, 65187), (1311, 21729), (3933, 7243)]