28992213

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{227}}^1\times {\mathrm{617}}^1$

素因数の和:873

約数の個数: 24

約数和(自身を含む): 43962048

約数和(自身を除く): 14969835

約数列:

[1, 3, 9, 23, 69, 207, 227, 617, 681, 1851, 2043, 5221, 5553, 14191, 15663, 42573, 46989, 127719, 140059, 420177, 1260531, 3221357, 9664071, 28992213]

約数ペア:

[(1, 28992213), (3, 9664071), (9, 3221357), (23, 1260531), (69, 420177), (207, 140059), (227, 127719), (617, 46989), (681, 42573), (1851, 15663), (2043, 14191), (5221, 5553)]