28400475

素因数分解:

$3^1\times 5^2\times {\mathrm{107}}^1\times {\mathrm{3539}}^1$

素因数の和:3659

約数の個数: 24

約数和(自身を含む): 47407680

約数和(自身を除く): 19007205

約数列:

[1, 3, 5, 15, 25, 75, 107, 321, 535, 1605, 2675, 3539, 8025, 10617, 17695, 53085, 88475, 265425, 378673, 1136019, 1893365, 5680095, 9466825, 28400475]

約数ペア:

[(1, 28400475), (3, 9466825), (5, 5680095), (15, 1893365), (25, 1136019), (75, 378673), (107, 265425), (321, 88475), (535, 53085), (1605, 17695), (2675, 10617), (3539, 8025)]