18675955207

素因数分解:

$7^6\times {\mathrm{13}}^1\times {\mathrm{12211}}^1$

素因数の和:12266

約数の個数: 28

約数和(自身を含む): 23466554776

約数和(自身を除く): 4790599569

約数列:

[1, 7, 13, 49, 91, 343, 637, 2401, 4459, 12211, 16807, 31213, 85477, 117649, 158743, 218491, 598339, 1111201, 1529437, 4188373, 7778407, 29318611, 54448849, 205230277, 381141943, 1436611939, 2667993601, 18675955207]

約数ペア:

[(1, 18675955207), (7, 2667993601), (13, 1436611939), (49, 381141943), (91, 205230277), (343, 54448849), (637, 29318611), (2401, 7778407), (4459, 4188373), (12211, 1529437), (16807, 1111201), (31213, 598339), (85477, 218491), (117649, 158743)]