81600291

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{24571}}^1$

素因数の和:24624

約数の個数: 20

約数和(自身を含む): 124874904

約数和(自身を除く): 43274613

約数列:

[1, 3, 9, 27, 41, 81, 123, 369, 1107, 3321, 24571, 73713, 221139, 663417, 1007411, 1990251, 3022233, 9066699, 27200097, 81600291]

約数ペア:

[(1, 81600291), (3, 27200097), (9, 9066699), (27, 3022233), (41, 1990251), (81, 1007411), (123, 663417), (369, 221139), (1107, 73713), (3321, 24571)]