1291304301

素因数分解:

$3^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{63197}}^1$

素因数の和:63353

約数の個数: 24

約数和(自身を含む): 2017280160

約数和(自身を除く): 725975859

約数列:

[1, 3, 7, 21, 49, 139, 147, 417, 973, 2919, 6811, 20433, 63197, 189591, 442379, 1327137, 3096653, 8784383, 9289959, 26353149, 61490681, 184472043, 430434767, 1291304301]

約数ペア:

[(1, 1291304301), (3, 430434767), (7, 184472043), (21, 61490681), (49, 26353149), (139, 9289959), (147, 8784383), (417, 3096653), (973, 1327137), (2919, 442379), (6811, 189591), (20433, 63197)]