31020119

素因数分解:

${\mathrm{13}}^2\times {\mathrm{31}}^2\times {\mathrm{191}}^1$

素因数の和:279

約数の個数: 18

約数和(自身を含む): 34890048

約数和(自身を除く): 3869929

約数列:

[1, 13, 31, 169, 191, 403, 961, 2483, 5239, 5921, 12493, 32279, 76973, 162409, 183551, 1000649, 2386163, 31020119]

約数ペア:

[(1, 31020119), (13, 2386163), (31, 1000649), (169, 183551), (191, 162409), (403, 76973), (961, 32279), (2483, 12493), (5239, 5921)]