31191027

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{78173}}^1$

素因数の和:78202

約数の個数: 16

約数和(自身を含む): 50031360

約数和(自身を除く): 18840333

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 78173, 234519, 547211, 1485287, 1641633, 4455861, 10397009, 31191027]

約数ペア:

[(1, 31191027), (3, 10397009), (7, 4455861), (19, 1641633), (21, 1485287), (57, 547211), (133, 234519), (399, 78173)]