17977239

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{4259}}^1$

素因数の和:4339

約数の個数: 24

約数和(自身を含む): 30126720

約数和(自身を除く): 12149481

約数列:

[1, 3, 7, 9, 21, 63, 67, 201, 469, 603, 1407, 4221, 4259, 12777, 29813, 38331, 89439, 268317, 285353, 856059, 1997471, 2568177, 5992413, 17977239]

約数ペア:

[(1, 17977239), (3, 5992413), (7, 2568177), (9, 1997471), (21, 856059), (63, 285353), (67, 268317), (201, 89439), (469, 38331), (603, 29813), (1407, 12777), (4221, 4259)]