13205985

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67723}}^1$

素因数の和:67744

約数の個数: 16

約数和(自身を含む): 22755264

約数和(自身を除く): 9549279

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 67723, 203169, 338615, 880399, 1015845, 2641197, 4401995, 13205985]

約数ペア:

[(1, 13205985), (3, 4401995), (5, 2641197), (13, 1015845), (15, 880399), (39, 338615), (65, 203169), (195, 67723)]