712485

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1$

素因数の和:305

約数の個数: 24

約数和(自身を含む): 1257984

約数和(自身を除く): 545499

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 223, 355, 639, 669, 1065, 1115, 2007, 3195, 3345, 10035, 15833, 47499, 79165, 142497, 237495, 712485]

約数ペア:

[(1, 712485), (3, 237495), (5, 142497), (9, 79165), (15, 47499), (45, 15833), (71, 10035), (213, 3345), (223, 3195), (355, 2007), (639, 1115), (669, 1065)]