201973209

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{137}}^2\times {\mathrm{211}}^1$

素因数の和:505

約数の個数: 24

約数和(自身を含む): 288596448

約数和(自身を除く): 86623239

約数列:

[1, 3, 17, 51, 137, 211, 411, 633, 2329, 3587, 6987, 10761, 18769, 28907, 56307, 86721, 319073, 491419, 957219, 1474257, 3960259, 11880777, 67324403, 201973209]

約数ペア:

[(1, 201973209), (3, 67324403), (17, 11880777), (51, 3960259), (137, 1474257), (211, 957219), (411, 491419), (633, 319073), (2329, 86721), (3587, 56307), (6987, 28907), (10761, 18769)]