4209125

素因数分解:

$5^3\times {\mathrm{151}}^1\times {\mathrm{223}}^1$

素因数の和:389

約数の個数: 16

約数和(自身を含む): 5311488

約数和(自身を除く): 1102363

約数列:

[1, 5, 25, 125, 151, 223, 755, 1115, 3775, 5575, 18875, 27875, 33673, 168365, 841825, 4209125]

約数ペア:

[(1, 4209125), (5, 841825), (25, 168365), (125, 33673), (151, 27875), (223, 18875), (755, 5575), (1115, 3775)]