40949307

素因数分解:

$3^4\times 7^1\times {\mathrm{72221}}^1$

素因数の和:72240

約数の個数: 20

約数和(自身を含む): 69910896

約数和(自身を除く): 28961589

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 72221, 216663, 505547, 649989, 1516641, 1949967, 4549923, 5849901, 13649769, 40949307]

約数ペア:

[(1, 40949307), (3, 13649769), (7, 5849901), (9, 4549923), (21, 1949967), (27, 1516641), (63, 649989), (81, 505547), (189, 216663), (567, 72221)]