28328475

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{53959}}^1$

素因数の和:53979

約数の個数: 24

約数和(自身を含む): 53528320

約数和(自身を除く): 25199845

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 525, 53959, 161877, 269795, 377713, 809385, 1133139, 1348975, 1888565, 4046925, 5665695, 9442825, 28328475]

約数ペア:

[(1, 28328475), (3, 9442825), (5, 5665695), (7, 4046925), (15, 1888565), (21, 1348975), (25, 1133139), (35, 809385), (75, 377713), (105, 269795), (175, 161877), (525, 53959)]