61278201

素因数分解:

$3^4\times {\mathrm{313}}^1\times {\mathrm{2417}}^1$

素因数の和:2742

約数の個数: 20

約数和(自身を含む): 91869492

約数和(自身を除く): 30591291

約数列:

[1, 3, 9, 27, 81, 313, 939, 2417, 2817, 7251, 8451, 21753, 25353, 65259, 195777, 756521, 2269563, 6808689, 20426067, 61278201]

約数ペア:

[(1, 61278201), (3, 20426067), (9, 6808689), (27, 2269563), (81, 756521), (313, 195777), (939, 65259), (2417, 25353), (2817, 21753), (7251, 8451)]