209040507

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{66173}}^1$

素因数の和:66201

約数の個数: 24

約数和(自身を含む): 337222704

約数和(自身を除く): 128182197

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 1053, 3159, 66173, 198519, 595557, 860249, 1786671, 2580747, 5360013, 7742241, 16080039, 23226723, 69680169, 209040507]

約数ペア:

[(1, 209040507), (3, 69680169), (9, 23226723), (13, 16080039), (27, 7742241), (39, 5360013), (81, 2580747), (117, 1786671), (243, 860249), (351, 595557), (1053, 198519), (3159, 66173)]