217833147

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{51607}}^1$

素因数の和:51687

約数の個数: 24

約数和(自身を含む): 364971776

約数和(自身を除く): 147138629

約数列:

[1, 3, 7, 9, 21, 63, 67, 201, 469, 603, 1407, 4221, 51607, 154821, 361249, 464463, 1083747, 3251241, 3457669, 10373007, 24203683, 31119021, 72611049, 217833147]

約数ペア:

[(1, 217833147), (3, 72611049), (7, 31119021), (9, 24203683), (21, 10373007), (63, 3457669), (67, 3251241), (201, 1083747), (469, 464463), (603, 361249), (1407, 154821), (4221, 51607)]