28729095

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{1993}}^1$

素因数の和:2063

約数の個数: 24

約数和(自身を含む): 47521008

約数和(自身を除く): 18791913

約数列:

[1, 3, 5, 15, 31, 93, 155, 465, 961, 1993, 2883, 4805, 5979, 9965, 14415, 29895, 61783, 185349, 308915, 926745, 1915273, 5745819, 9576365, 28729095]

約数ペア:

[(1, 28729095), (3, 9576365), (5, 5745819), (15, 1915273), (31, 926745), (93, 308915), (155, 185349), (465, 61783), (961, 29895), (1993, 14415), (2883, 9965), (4805, 5979)]