28004145

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{11047}}^1$

素因数の和:11081

約数の個数: 24

約数和(自身を含む): 48522816

約数和(自身を除く): 20518671

約数列:

[1, 3, 5, 13, 15, 39, 65, 169, 195, 507, 845, 2535, 11047, 33141, 55235, 143611, 165705, 430833, 718055, 1866943, 2154165, 5600829, 9334715, 28004145]

約数ペア:

[(1, 28004145), (3, 9334715), (5, 5600829), (13, 2154165), (15, 1866943), (39, 718055), (65, 430833), (169, 165705), (195, 143611), (507, 55235), (845, 33141), (2535, 11047)]