28077597

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{11953}}^1$

素因数の和:11994

約数の個数: 20

約数和(自身を含む): 43393020

約数和(自身を除く): 15315423

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 783, 2349, 11953, 35859, 107577, 322731, 346637, 968193, 1039911, 3119733, 9359199, 28077597]

約数ペア:

[(1, 28077597), (3, 9359199), (9, 3119733), (27, 1039911), (29, 968193), (81, 346637), (87, 322731), (261, 107577), (783, 35859), (2349, 11953)]