1970019

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1$

素因数の和:367

約数の個数: 24

約数和(自身を含む): 3075072

約数和(自身を除く): 1105053

約数列:

[1, 3, 9, 23, 31, 69, 93, 207, 279, 307, 713, 921, 2139, 2763, 6417, 7061, 9517, 21183, 28551, 63549, 85653, 218891, 656673, 1970019]

約数ペア:

[(1, 1970019), (3, 656673), (9, 218891), (23, 85653), (31, 63549), (69, 28551), (93, 21183), (207, 9517), (279, 7061), (307, 6417), (713, 2763), (921, 2139)]