208375035

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{74287}}^1$

素因数の和:74323

約数の個数: 32

約数和(自身を含む): 385108992

約数和(自身を除く): 176733957

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 85, 165, 187, 255, 561, 935, 2805, 74287, 222861, 371435, 817157, 1114305, 1262879, 2451471, 3788637, 4085785, 6314395, 12257355, 13891669, 18943185, 41675007, 69458345, 208375035]

約数ペア:

[(1, 208375035), (3, 69458345), (5, 41675007), (11, 18943185), (15, 13891669), (17, 12257355), (33, 6314395), (51, 4085785), (55, 3788637), (85, 2451471), (165, 1262879), (187, 1114305), (255, 817157), (561, 371435), (935, 222861), (2805, 74287)]