12778785

素因数分解:

$3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1427}}^1$

素因数の和:1637

約数の個数: 24

約数和(自身を含む): 22276800

約数和(自身を除く): 9498015

約数列:

[1, 3, 5, 9, 15, 45, 199, 597, 995, 1427, 1791, 2985, 4281, 7135, 8955, 12843, 21405, 64215, 283973, 851919, 1419865, 2555757, 4259595, 12778785]

約数ペア:

[(1, 12778785), (3, 4259595), (5, 2555757), (9, 1419865), (15, 851919), (45, 283973), (199, 64215), (597, 21405), (995, 12843), (1427, 8955), (1791, 7135), (2985, 4281)]