31506363

素因数分解:

$3^2\times 7^2\times {\mathrm{71443}}^1$

素因数の和:71463

約数の個数: 18

約数和(自身を含む): 52940004

約数和(自身を除く): 21433641

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 71443, 214329, 500101, 642987, 1500303, 3500707, 4500909, 10502121, 31506363]

約数ペア:

[(1, 31506363), (3, 10502121), (7, 4500909), (9, 3500707), (21, 1500303), (49, 642987), (63, 500101), (147, 214329), (441, 71443)]