248097339

素因数分解:

$3^2\times 7^2\times {\mathrm{562579}}^1$

素因数の和:562599

約数の個数: 18

約数和(自身を含む): 416871780

約数和(自身を除く): 168774441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 562579, 1687737, 3938053, 5063211, 11814159, 27566371, 35442477, 82699113, 248097339]

約数ペア:

[(1, 248097339), (3, 82699113), (7, 35442477), (9, 27566371), (21, 11814159), (49, 5063211), (63, 3938053), (147, 1687737), (441, 562579)]