81663846

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{2339}}^1$

素因数の和:2401

約数の個数: 48

約数和(自身を含む): 186338880

約数和(自身を除く): 104675034

約数列:

[1, 2, 3, 6, 11, 22, 23, 33, 46, 66, 69, 138, 253, 506, 529, 759, 1058, 1518, 1587, 2339, 3174, 4678, 5819, 7017, 11638, 14034, 17457, 25729, 34914, 51458, 53797, 77187, 107594, 154374, 161391, 322782, 591767, 1183534, 1237331, 1775301, 2474662, 3550602, 3711993, 7423986, 13610641, 27221282, 40831923, 81663846]

約数ペア:

[(1, 81663846), (2, 40831923), (3, 27221282), (6, 13610641), (11, 7423986), (22, 3711993), (23, 3550602), (33, 2474662), (46, 1775301), (66, 1237331), (69, 1183534), (138, 591767), (253, 322782), (506, 161391), (529, 154374), (759, 107594), (1058, 77187), (1518, 53797), (1587, 51458), (2339, 34914), (3174, 25729), (4678, 17457), (5819, 14034), (7017, 11638)]