1227009

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{491}}^1$

素因数の和:525

約数の個数: 24

約数和(自身を含む): 2019168

約数和(自身を除く): 792159

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 357, 491, 833, 1473, 2499, 3437, 8347, 10311, 24059, 25041, 58429, 72177, 175287, 409003, 1227009]

約数ペア:

[(1, 1227009), (3, 409003), (7, 175287), (17, 72177), (21, 58429), (49, 25041), (51, 24059), (119, 10311), (147, 8347), (357, 3437), (491, 2499), (833, 1473)]