31072899

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{72431}}^1$

素因数の和:72458

約数の個数: 16

約数和(自身を含む): 48674304

約数和(自身を除く): 17601405

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 72431, 217293, 796741, 941603, 2390223, 2824809, 10357633, 31072899]

約数ペア:

[(1, 31072899), (3, 10357633), (11, 2824809), (13, 2390223), (33, 941603), (39, 796741), (143, 217293), (429, 72431)]