71487031

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{18947}}^1$

素因数の和:18979

約数の個数: 16

約数和(自身を含む): 90950400

約数和(自身を除く): 19463369

約数列:

[1, 7, 11, 49, 77, 343, 539, 3773, 18947, 132629, 208417, 928403, 1458919, 6498821, 10212433, 71487031]

約数ペア:

[(1, 71487031), (7, 10212433), (11, 6498821), (49, 1458919), (77, 928403), (343, 208417), (539, 132629), (3773, 18947)]