254561805

素因数分解:

$3^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{21187}}^1$

素因数の和:21290

約数の個数: 32

約数和(自身を含む): 457660800

約数和(自身を除く): 203098995

約数列:

[1, 3, 5, 9, 15, 27, 45, 89, 135, 267, 445, 801, 1335, 2403, 4005, 12015, 21187, 63561, 105935, 190683, 317805, 572049, 953415, 1885643, 2860245, 5656929, 9428215, 16970787, 28284645, 50912361, 84853935, 254561805]

約数ペア:

[(1, 254561805), (3, 84853935), (5, 50912361), (9, 28284645), (15, 16970787), (27, 9428215), (45, 5656929), (89, 2860245), (135, 1885643), (267, 953415), (445, 572049), (801, 317805), (1335, 190683), (2403, 105935), (4005, 63561), (12015, 21187)]