199962321

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{149}}^1\times {\mathrm{2647}}^1$

素因数の和:2825

約数の個数: 24

約数和(自身を含む): 290750400

約数和(自身を除く): 90788079

約数列:

[1, 3, 13, 39, 149, 169, 447, 507, 1937, 2647, 5811, 7941, 25181, 34411, 75543, 103233, 394403, 447343, 1183209, 1342029, 5127239, 15381717, 66654107, 199962321]

約数ペア:

[(1, 199962321), (3, 66654107), (13, 15381717), (39, 5127239), (149, 1342029), (169, 1183209), (447, 447343), (507, 394403), (1937, 103233), (2647, 75543), (5811, 34411), (7941, 25181)]