31491213

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{3217}}^1$

素因数の和:3484

約数の個数: 16

約数和(自身を含む): 45412416

約数和(自身を除く): 13921203

約数列:

[1, 3, 13, 39, 251, 753, 3217, 3263, 9651, 9789, 41821, 125463, 807467, 2422401, 10497071, 31491213]

約数ペア:

[(1, 31491213), (3, 10497071), (13, 2422401), (39, 807467), (251, 125463), (753, 41821), (3217, 9789), (3263, 9651)]