81825399

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{313}}^1\times {\mathrm{937}}^1$

素因数の和:1287

約数の個数: 24

約数和(自身を含む): 122525312

約数和(自身を除く): 40699913

約数列:

[1, 3, 9, 31, 93, 279, 313, 937, 939, 2811, 2817, 8433, 9703, 29047, 29109, 87141, 87327, 261423, 293281, 879843, 2639529, 9091711, 27275133, 81825399]

約数ペア:

[(1, 81825399), (3, 27275133), (9, 9091711), (31, 2639529), (93, 879843), (279, 293281), (313, 261423), (937, 87327), (939, 87141), (2811, 29109), (2817, 29047), (8433, 9703)]