7911891

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{22541}}^1$

素因数の和:22563

約数の個数: 16

約数和(自身を含む): 12623520

約数和(自身を除く): 4711629

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 22541, 67623, 202869, 293033, 608607, 879099, 2637297, 7911891]

約数ペア:

[(1, 7911891), (3, 2637297), (9, 879099), (13, 608607), (27, 293033), (39, 202869), (117, 67623), (351, 22541)]