28097745

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1619}}^1$

素因数の和:1729

約数の個数: 32

約数和(自身を含む): 48988800

約数和(自身を除く): 20891055

約数列:

[1, 3, 5, 13, 15, 39, 65, 89, 195, 267, 445, 1157, 1335, 1619, 3471, 4857, 5785, 8095, 17355, 21047, 24285, 63141, 105235, 144091, 315705, 432273, 720455, 1873183, 2161365, 5619549, 9365915, 28097745]

約数ペア:

[(1, 28097745), (3, 9365915), (5, 5619549), (13, 2161365), (15, 1873183), (39, 720455), (65, 432273), (89, 315705), (195, 144091), (267, 105235), (445, 63141), (1157, 24285), (1335, 21047), (1619, 17355), (3471, 8095), (4857, 5785)]