28661805

素因数分解:

$3^2\times 5^1\times {\mathrm{383}}^1\times {\mathrm{1663}}^1$

素因数の和:2057

約数の個数: 24

約数和(自身を含む): 49840128

約数和(自身を除く): 21178323

約数列:

[1, 3, 5, 9, 15, 45, 383, 1149, 1663, 1915, 3447, 4989, 5745, 8315, 14967, 17235, 24945, 74835, 636929, 1910787, 3184645, 5732361, 9553935, 28661805]

約数ペア:

[(1, 28661805), (3, 9553935), (5, 5732361), (9, 3184645), (15, 1910787), (45, 636929), (383, 74835), (1149, 24945), (1663, 17235), (1915, 14967), (3447, 8315), (4989, 5745)]