39989619

素因数分解:

$3^4\times {\mathrm{73}}^1\times {\mathrm{6763}}^1$

素因数の和:6848

約数の個数: 20

約数和(自身を含む): 60564856

約数和(自身を除く): 20575237

約数列:

[1, 3, 9, 27, 73, 81, 219, 657, 1971, 5913, 6763, 20289, 60867, 182601, 493699, 547803, 1481097, 4443291, 13329873, 39989619]

約数ペア:

[(1, 39989619), (3, 13329873), (9, 4443291), (27, 1481097), (73, 547803), (81, 493699), (219, 182601), (657, 60867), (1971, 20289), (5913, 6763)]