200081721

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{2131}}^1$

素因数の和:2421

約数の個数: 32

約数和(自身を含む): 324200448

約数和(自身を除く): 124118727

約数列:

[1, 3, 7, 17, 21, 51, 119, 263, 357, 789, 1841, 2131, 4471, 5523, 6393, 13413, 14917, 31297, 36227, 44751, 93891, 108681, 253589, 560453, 760767, 1681359, 3923171, 9527701, 11769513, 28583103, 66693907, 200081721]

約数ペア:

[(1, 200081721), (3, 66693907), (7, 28583103), (17, 11769513), (21, 9527701), (51, 3923171), (119, 1681359), (263, 760767), (357, 560453), (789, 253589), (1841, 108681), (2131, 93891), (4471, 44751), (5523, 36227), (6393, 31297), (13413, 14917)]