200970903

素因数分解:

$3^1\times 7^4\times {\mathrm{27901}}^1$

素因数の和:27932

約数の個数: 20

約数和(自身を含む): 312614008

約数和(自身を除く): 111643105

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 2401, 7203, 27901, 83703, 195307, 585921, 1367149, 4101447, 9570043, 28710129, 66990301, 200970903]

約数ペア:

[(1, 200970903), (3, 66990301), (7, 28710129), (21, 9570043), (49, 4101447), (147, 1367149), (343, 585921), (1029, 195307), (2401, 83703), (7203, 27901)]