12400905

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{4421}}^1$

素因数の和:4457

約数の個数: 32

約数和(自身を含む): 22923648

約数和(自身を除く): 10522743

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 85, 165, 187, 255, 561, 935, 2805, 4421, 13263, 22105, 48631, 66315, 75157, 145893, 225471, 243155, 375785, 729465, 826727, 1127355, 2480181, 4133635, 12400905]

約数ペア:

[(1, 12400905), (3, 4133635), (5, 2480181), (11, 1127355), (15, 826727), (17, 729465), (33, 375785), (51, 243155), (55, 225471), (85, 145893), (165, 75157), (187, 66315), (255, 48631), (561, 22105), (935, 13263), (2805, 4421)]