996800985

素因数分解:

$3^4\times 5^1\times {\mathrm{2461237}}^1$

素因数の和:2461254

約数の個数: 20

約数和(自身を含む): 1786858788

約数和(自身を除く): 790057803

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 2461237, 7383711, 12306185, 22151133, 36918555, 66453399, 110755665, 199360197, 332266995, 996800985]

約数ペア:

[(1, 996800985), (3, 332266995), (5, 199360197), (9, 110755665), (15, 66453399), (27, 36918555), (45, 22151133), (81, 12306185), (135, 7383711), (405, 2461237)]