27218266621

素因数分解:

$7^4\times {\mathrm{13}}^1\times {\mathrm{872017}}^1$

素因数の和:872058

約数の個数: 20

約数和(自身を含む): 34195313852

約数和(自身を除く): 6977047231

約数列:

[1, 7, 13, 49, 91, 343, 637, 2401, 4459, 31213, 872017, 6104119, 11336221, 42728833, 79353547, 299101831, 555474829, 2093712817, 3888323803, 27218266621]

約数ペア:

[(1, 27218266621), (7, 3888323803), (13, 2093712817), (49, 555474829), (91, 299101831), (343, 79353547), (637, 42728833), (2401, 11336221), (4459, 6104119), (31213, 872017)]