17993829

素因数分解:

$3^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{1123}}^1$

素因数の和:1249

約数の個数: 24

約数和(自身を含む): 28189920

約数和(自身を除く): 10196091

約数列:

[1, 3, 7, 21, 49, 109, 147, 327, 763, 1123, 2289, 3369, 5341, 7861, 16023, 23583, 55027, 122407, 165081, 367221, 856849, 2570547, 5997943, 17993829]

約数ペア:

[(1, 17993829), (3, 5997943), (7, 2570547), (21, 856849), (49, 367221), (109, 165081), (147, 122407), (327, 55027), (763, 23583), (1123, 16023), (2289, 7861), (3369, 5341)]