820173033

素因数分解:

$3^4\times {\mathrm{149}}^1\times {\mathrm{67957}}^1$

素因数の和:68118

約数の個数: 20

約数和(自身を含む): 1233437700

約数和(自身を除く): 413264667

約数列:

[1, 3, 9, 27, 81, 149, 447, 1341, 4023, 12069, 67957, 203871, 611613, 1834839, 5504517, 10125593, 30376779, 91130337, 273391011, 820173033]

約数ペア:

[(1, 820173033), (3, 273391011), (9, 91130337), (27, 30376779), (81, 10125593), (149, 5504517), (447, 1834839), (1341, 611613), (4023, 203871), (12069, 67957)]