28207395

素因数分解:

$3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{11827}}^1$

素因数の和:11891

約数の個数: 24

約数和(自身を含む): 49819536

約数和(自身を除く): 21612141

約数列:

[1, 3, 5, 9, 15, 45, 53, 159, 265, 477, 795, 2385, 11827, 35481, 59135, 106443, 177405, 532215, 626831, 1880493, 3134155, 5641479, 9402465, 28207395]

約数ペア:

[(1, 28207395), (3, 9402465), (5, 5641479), (9, 3134155), (15, 1880493), (45, 626831), (53, 532215), (159, 177405), (265, 106443), (477, 59135), (795, 35481), (2385, 11827)]