28111995

素因数分解:

$3^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{3929}}^1$

素因数の和:3996

約数の個数: 32

約数和(自身を含む): 50932800

約数和(自身を除く): 22820805

約数列:

[1, 3, 5, 9, 15, 27, 45, 53, 135, 159, 265, 477, 795, 1431, 2385, 3929, 7155, 11787, 19645, 35361, 58935, 106083, 176805, 208237, 530415, 624711, 1041185, 1874133, 3123555, 5622399, 9370665, 28111995]

約数ペア:

[(1, 28111995), (3, 9370665), (5, 5622399), (9, 3123555), (15, 1874133), (27, 1041185), (45, 624711), (53, 530415), (135, 208237), (159, 176805), (265, 106083), (477, 58935), (795, 35361), (1431, 19645), (2385, 11787), (3929, 7155)]