3131219

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1811}}^1$

素因数の和:1850

約数の個数: 16

約数和(自身を含む): 4058880

約数和(自身を除く): 927661

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 1811, 12677, 23543, 34409, 164801, 240863, 447317, 3131219]

約数ペア:

[(1, 3131219), (7, 447317), (13, 240863), (19, 164801), (91, 34409), (133, 23543), (247, 12677), (1729, 1811)]