81393579

素因数分解:

$3^7\times {\mathrm{37217}}^1$

素因数の和:37238

約数の個数: 16

約数和(自身を含む): 122075040

約数和(自身を除く): 40681461

約数列:

[1, 3, 9, 27, 81, 243, 729, 2187, 37217, 111651, 334953, 1004859, 3014577, 9043731, 27131193, 81393579]

約数ペア:

[(1, 81393579), (3, 27131193), (9, 9043731), (27, 3014577), (81, 1004859), (243, 334953), (729, 111651), (2187, 37217)]