2131905

素因数分解:

$3^1\times 5^1\times {\mathrm{311}}^1\times {\mathrm{457}}^1$

素因数の和:776

約数の個数: 16

約数和(自身を含む): 3429504

約数和(自身を除く): 1297599

約数列:

[1, 3, 5, 15, 311, 457, 933, 1371, 1555, 2285, 4665, 6855, 142127, 426381, 710635, 2131905]

約数ペア:

[(1, 2131905), (3, 710635), (5, 426381), (15, 142127), (311, 6855), (457, 4665), (933, 2285), (1371, 1555)]