13939047

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{4651}}^1$

素因数の和:4700

約数の個数: 20

約数和(自身を含む): 21389896

約数和(自身を除く): 7450849

約数列:

[1, 3, 9, 27, 37, 81, 111, 333, 999, 2997, 4651, 13953, 41859, 125577, 172087, 376731, 516261, 1548783, 4646349, 13939047]

約数ペア:

[(1, 13939047), (3, 4646349), (9, 1548783), (27, 516261), (37, 376731), (81, 172087), (111, 125577), (333, 41859), (999, 13953), (2997, 4651)]