18890001

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{161453}}^1$

素因数の和:161472

約数の個数: 12

約数和(自身を含む): 29384628

約数和(自身を除く): 10494627

約数列:

[1, 3, 9, 13, 39, 117, 161453, 484359, 1453077, 2098889, 6296667, 18890001]

約数ペア:

[(1, 18890001), (3, 6296667), (9, 2098889), (13, 1453077), (39, 484359), (117, 161453)]