13217811

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{311}}^1\times {\mathrm{457}}^1$

素因数の和:802

約数の個数: 16

約数和(自身を含む): 18290688

約数和(自身を除く): 5072877

約数列:

[1, 3, 31, 93, 311, 457, 933, 1371, 9641, 14167, 28923, 42501, 142127, 426381, 4405937, 13217811]

約数ペア:

[(1, 13217811), (3, 4405937), (31, 426381), (93, 142127), (311, 42501), (457, 28923), (933, 14167), (1371, 9641)]