78873507

素因数分解:

$3^4\times {\mathrm{73}}^1\times {\mathrm{13339}}^1$

素因数の和:13424

約数の個数: 20

約数和(自身を含む): 119446360

約数和(自身を除く): 40572853

約数列:

[1, 3, 9, 27, 73, 81, 219, 657, 1971, 5913, 13339, 40017, 120051, 360153, 973747, 1080459, 2921241, 8763723, 26291169, 78873507]

約数ペア:

[(1, 78873507), (3, 26291169), (9, 8763723), (27, 2921241), (73, 1080459), (81, 973747), (219, 360153), (657, 120051), (1971, 40017), (5913, 13339)]