20150019

素因数分解:

$3^3\times {\mathrm{571}}^1\times {\mathrm{1307}}^1$

素因数の和:1887

約数の個数: 16

約数和(自身を含む): 29927040

約数和(自身を除く): 9777021

約数列:

[1, 3, 9, 27, 571, 1307, 1713, 3921, 5139, 11763, 15417, 35289, 746297, 2238891, 6716673, 20150019]

約数ペア:

[(1, 20150019), (3, 6716673), (9, 2238891), (27, 746297), (571, 35289), (1307, 15417), (1713, 11763), (3921, 5139)]