199970127

素因数分解:

$3^4\times 7^2\times {\mathrm{50383}}^1$

素因数の和:50409

約数の個数: 30

約数和(自身を含む): 347498448

約数和(自身を除く): 147528321

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 50383, 151149, 352681, 453447, 1058043, 1360341, 2468767, 3174129, 4081023, 7406301, 9522387, 22218903, 28567161, 66656709, 199970127]

約数ペア:

[(1, 199970127), (3, 66656709), (7, 28567161), (9, 22218903), (21, 9522387), (27, 7406301), (49, 4081023), (63, 3174129), (81, 2468767), (147, 1360341), (189, 1058043), (441, 453447), (567, 352681), (1323, 151149), (3969, 50383)]