1989378243

素因数分解:

$3^2\times {\mathrm{157}}^1\times {\mathrm{401}}^1\times {\mathrm{3511}}^1$

素因数の和:4075

約数の個数: 24

約数和(自身を含む): 2899886496

約数和(自身を除く): 910508253

約数列:

[1, 3, 9, 157, 401, 471, 1203, 1413, 3511, 3609, 10533, 31599, 62957, 188871, 551227, 566613, 1407911, 1653681, 4223733, 4961043, 12671199, 221042027, 663126081, 1989378243]

約数ペア:

[(1, 1989378243), (3, 663126081), (9, 221042027), (157, 12671199), (401, 4961043), (471, 4223733), (1203, 1653681), (1413, 1407911), (3511, 566613), (3609, 551227), (10533, 188871), (31599, 62957)]