81728605

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{137359}}^1$

素因数の和:137388

約数の個数: 16

約数和(自身を含む): 118679040

約数和(自身を除く): 36950435

約数列:

[1, 5, 7, 17, 35, 85, 119, 595, 137359, 686795, 961513, 2335103, 4807565, 11675515, 16345721, 81728605]

約数ペア:

[(1, 81728605), (5, 16345721), (7, 11675515), (17, 4807565), (35, 2335103), (85, 961513), (119, 686795), (595, 137359)]