31138257

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{71}}^3$

素因数の和:245

約数の個数: 16

約数和(自身を含む): 43562880

約数和(自身を除く): 12424623

約数列:

[1, 3, 29, 71, 87, 213, 2059, 5041, 6177, 15123, 146189, 357911, 438567, 1073733, 10379419, 31138257]

約数ペア:

[(1, 31138257), (3, 10379419), (29, 1073733), (71, 438567), (87, 357911), (213, 146189), (2059, 15123), (5041, 6177)]