47980425

素因数分解:

$3^1\times 5^2\times {\mathrm{639739}}^1$

素因数の和:639752

約数の個数: 12

約数和(自身を含む): 79327760

約数和(自身を除く): 31347335

約数列:

[1, 3, 5, 15, 25, 75, 639739, 1919217, 3198695, 9596085, 15993475, 47980425]

約数ペア:

[(1, 47980425), (3, 15993475), (5, 9596085), (15, 3198695), (25, 1919217), (75, 639739)]