64713663

素因数分解:

$3^2\times 7^2\times {\mathrm{146743}}^1$

素因数の和:146763

約数の個数: 18

約数和(自身を含む): 108737304

約数和(自身を除く): 44023641

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 146743, 440229, 1027201, 1320687, 3081603, 7190407, 9244809, 21571221, 64713663]

約数ペア:

[(1, 64713663), (3, 21571221), (7, 9244809), (9, 7190407), (21, 3081603), (49, 1320687), (63, 1027201), (147, 440229), (441, 146743)]