2019944493

素因数分解:

$3^3\times 7^4\times {\mathrm{31159}}^1$

素因数の和:31196

約数の個数: 40

約数和(自身を含む): 3491166400

約数和(自身を除く): 1471221907

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 343, 441, 1029, 1323, 2401, 3087, 7203, 9261, 21609, 31159, 64827, 93477, 218113, 280431, 654339, 841293, 1526791, 1963017, 4580373, 5889051, 10687537, 13741119, 32062611, 41223357, 74812759, 96187833, 224438277, 288563499, 673314831, 2019944493]

約数ペア:

[(1, 2019944493), (3, 673314831), (7, 288563499), (9, 224438277), (21, 96187833), (27, 74812759), (49, 41223357), (63, 32062611), (147, 13741119), (189, 10687537), (343, 5889051), (441, 4580373), (1029, 1963017), (1323, 1526791), (2401, 841293), (3087, 654339), (7203, 280431), (9261, 218113), (21609, 93477), (31159, 64827)]