12784455

素因数分解:

$3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{2237}}^1$

素因数の和:2375

約数の個数: 24

約数和(自身を含む): 22344192

約数和(自身を除く): 9559737

約数列:

[1, 3, 5, 9, 15, 45, 127, 381, 635, 1143, 1905, 2237, 5715, 6711, 11185, 20133, 33555, 100665, 284099, 852297, 1420495, 2556891, 4261485, 12784455]

約数ペア:

[(1, 12784455), (3, 4261485), (5, 2556891), (9, 1420495), (15, 852297), (45, 284099), (127, 100665), (381, 33555), (635, 20133), (1143, 11185), (1905, 6711), (2237, 5715)]