19980060675

素因数分解:

$3^1\times 5^2\times {\mathrm{266400809}}^1$

素因数の和:266400822

約数の個数: 12

約数和(自身を含む): 33033700440

約数和(自身を除く): 13053639765

約数列:

[1, 3, 5, 15, 25, 75, 266400809, 799202427, 1332004045, 3996012135, 6660020225, 19980060675]

約数ペア:

[(1, 19980060675), (3, 6660020225), (5, 3996012135), (15, 1332004045), (25, 799202427), (75, 266400809)]