20172321

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{19157}}^1$

素因数の和:19182

約数の個数: 20

約数和(自身を含む): 32453652

約数和(自身を除く): 12281331

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 19157, 57471, 172413, 249041, 517239, 747123, 1551717, 2241369, 6724107, 20172321]

約数ペア:

[(1, 20172321), (3, 6724107), (9, 2241369), (13, 1551717), (27, 747123), (39, 517239), (81, 249041), (117, 172413), (351, 57471), (1053, 19157)]