31328091

素因数分解:

$3^2\times {\mathrm{29}}^2\times {\mathrm{4139}}^1$

素因数の和:4203

約数の個数: 18

約数和(自身を含む): 46877220

約数和(自身を除く): 15549129

約数列:

[1, 3, 9, 29, 87, 261, 841, 2523, 4139, 7569, 12417, 37251, 120031, 360093, 1080279, 3480899, 10442697, 31328091]

約数ペア:

[(1, 31328091), (3, 10442697), (9, 3480899), (29, 1080279), (87, 360093), (261, 120031), (841, 37251), (2523, 12417), (4139, 7569)]