7856163

素因数分解:

$3^3\times 7^1\times {\mathrm{197}}^1\times {\mathrm{211}}^1$

素因数の和:424

約数の個数: 32

約数和(自身を含む): 13432320

約数和(自身を除く): 5576157

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 197, 211, 591, 633, 1379, 1477, 1773, 1899, 4137, 4431, 5319, 5697, 12411, 13293, 37233, 39879, 41567, 124701, 290969, 374103, 872907, 1122309, 2618721, 7856163]

約数ペア:

[(1, 7856163), (3, 2618721), (7, 1122309), (9, 872907), (21, 374103), (27, 290969), (63, 124701), (189, 41567), (197, 39879), (211, 37233), (591, 13293), (633, 12411), (1379, 5697), (1477, 5319), (1773, 4431), (1899, 4137)]