201701996505

素因数分解:

$3^4\times 5^1\times {\mathrm{498029621}}^1$

素因数の和:498029638

約数の個数: 20

約数和(自身を含む): 361569505572

約数和(自身を除く): 159867509067

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 498029621, 1494088863, 2490148105, 4482266589, 7470444315, 13446799767, 22411332945, 40340399301, 67233998835, 201701996505]

約数ペア:

[(1, 201701996505), (3, 67233998835), (5, 40340399301), (9, 22411332945), (15, 13446799767), (27, 7470444315), (45, 4482266589), (81, 2490148105), (135, 1494088863), (405, 498029621)]