2017070505

素因数分解:

$3^4\times 5^1\times {\mathrm{4980421}}^1$

素因数の和:4980438

約数の個数: 20

約数和(自身を含む): 3615786372

約数和(自身を除く): 1598715867

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 4980421, 14941263, 24902105, 44823789, 74706315, 134471367, 224118945, 403414101, 672356835, 2017070505]

約数ペア:

[(1, 2017070505), (3, 672356835), (5, 403414101), (9, 224118945), (15, 134471367), (27, 74706315), (45, 44823789), (81, 24902105), (135, 14941263), (405, 4980421)]