82721919

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{4099}}^1$

素因数の和:4171

約数の個数: 24

約数和(自身を含む): 130281600

約数和(自身を除く): 47559681

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 961, 2883, 4099, 6727, 12297, 20181, 28693, 86079, 127069, 381207, 889483, 2668449, 3939139, 11817417, 27573973, 82721919]

約数ペア:

[(1, 82721919), (3, 27573973), (7, 11817417), (21, 3939139), (31, 2668449), (93, 889483), (217, 381207), (651, 127069), (961, 86079), (2883, 28693), (4099, 20181), (6727, 12297)]