1318599

素因数分解:

$3^4\times {\mathrm{73}}^1\times {\mathrm{223}}^1$

素因数の和:308

約数の個数: 20

約数和(自身を含む): 2005696

約数和(自身を除く): 687097

約数列:

[1, 3, 9, 27, 73, 81, 219, 223, 657, 669, 1971, 2007, 5913, 6021, 16279, 18063, 48837, 146511, 439533, 1318599]

約数ペア:

[(1, 1318599), (3, 439533), (9, 146511), (27, 48837), (73, 18063), (81, 16279), (219, 6021), (223, 5913), (657, 2007), (669, 1971)]