201560391

素因数分解:

$3^2\times {\mathrm{103}}^2\times {\mathrm{2111}}^1$

素因数の和:2323

約数の個数: 18

約数和(自身を含む): 294136128

約数和(自身を除く): 92575737

約数列:

[1, 3, 9, 103, 309, 927, 2111, 6333, 10609, 18999, 31827, 95481, 217433, 652299, 1956897, 22395599, 67186797, 201560391]

約数ペア:

[(1, 201560391), (3, 67186797), (9, 22395599), (103, 1956897), (309, 652299), (927, 217433), (2111, 95481), (6333, 31827), (10609, 18999)]