1259145

素因数分解:

$3^4\times 5^1\times {\mathrm{3109}}^1$

素因数の和:3126

約数の個数: 20

約数和(自身を含む): 2257860

約数和(自身を除く): 998715

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 3109, 9327, 15545, 27981, 46635, 83943, 139905, 251829, 419715, 1259145]

約数ペア:

[(1, 1259145), (3, 419715), (5, 251829), (9, 139905), (15, 83943), (27, 46635), (45, 27981), (81, 15545), (135, 9327), (405, 3109)]