666540972

素因数分解:

$2^2\times 3^2\times {\mathrm{18515027}}^1$

素因数の和:18515037

約数の個数: 18

約数和(自身を含む): 1684867548

約数和(自身を除く): 1018326576

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 18515027, 37030054, 55545081, 74060108, 111090162, 166635243, 222180324, 333270486, 666540972]

約数ペア:

[(1, 666540972), (2, 333270486), (3, 222180324), (4, 166635243), (6, 111090162), (9, 74060108), (12, 55545081), (18, 37030054), (36, 18515027)]