1912824711

素因数分解:

$3^2\times 7^2\times {\mathrm{4337471}}^1$

素因数の和:4337491

約数の個数: 18

約数和(自身を含む): 3214066752

約数和(自身を除く): 1301242041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 4337471, 13012413, 30362297, 39037239, 91086891, 212536079, 273260673, 637608237, 1912824711]

約数ペア:

[(1, 1912824711), (3, 637608237), (7, 273260673), (9, 212536079), (21, 91086891), (49, 39037239), (63, 30362297), (147, 13012413), (441, 4337471)]