91721889

素因数分解:

$3^4\times 7^1\times {\mathrm{83}}^1\times {\mathrm{1949}}^1$

素因数の和:2051

約数の個数: 40

約数和(自身を含む): 158558400

約数和(自身を除く): 66836511

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 83, 189, 249, 567, 581, 747, 1743, 1949, 2241, 5229, 5847, 6723, 13643, 15687, 17541, 40929, 47061, 52623, 122787, 157869, 161767, 368361, 485301, 1105083, 1132369, 1455903, 3397107, 4367709, 10191321, 13103127, 30573963, 91721889]

約数ペア:

[(1, 91721889), (3, 30573963), (7, 13103127), (9, 10191321), (21, 4367709), (27, 3397107), (63, 1455903), (81, 1132369), (83, 1105083), (189, 485301), (249, 368361), (567, 161767), (581, 157869), (747, 122787), (1743, 52623), (1949, 47061), (2241, 40929), (5229, 17541), (5847, 15687), (6723, 13643)]