200945493

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{74177}}^1$

素因数の和:74233

約数の個数: 24

約数和(自身を含む): 339438528

約数和(自身を除く): 138493035

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 903, 2709, 74177, 222531, 519239, 667593, 1557717, 3189611, 4673151, 9568833, 22327277, 28706499, 66981831, 200945493]

約数ペア:

[(1, 200945493), (3, 66981831), (7, 28706499), (9, 22327277), (21, 9568833), (43, 4673151), (63, 3189611), (129, 1557717), (301, 667593), (387, 519239), (903, 222531), (2709, 74177)]