81265278

素因数分解:

$2^1\times 3^1\times {\mathrm{1321}}^1\times {\mathrm{10253}}^1$

素因数の和:11579

約数の個数: 16

約数和(自身を含む): 162669456

約数和(自身を除く): 81404178

約数列:

[1, 2, 3, 6, 1321, 2642, 3963, 7926, 10253, 20506, 30759, 61518, 13544213, 27088426, 40632639, 81265278]

約数ペア:

[(1, 81265278), (2, 40632639), (3, 27088426), (6, 13544213), (1321, 61518), (2642, 30759), (3963, 20506), (7926, 10253)]