78876405

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{40763}}^1$

素因数の和:40817

約数の個数: 24

約数和(自身を含む): 139902048

約数和(自身を除く): 61025643

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 40763, 122289, 203815, 366867, 611445, 1752809, 1834335, 5258427, 8764045, 15775281, 26292135, 78876405]

約数ペア:

[(1, 78876405), (3, 26292135), (5, 15775281), (9, 8764045), (15, 5258427), (43, 1834335), (45, 1752809), (129, 611445), (215, 366867), (387, 203815), (645, 122289), (1935, 40763)]