81110079

素因数分解:

$3^4\times {\mathrm{439}}^1\times {\mathrm{2281}}^1$

素因数の和:2732

約数の個数: 20

約数和(自身を含む): 121493680

約数和(自身を除く): 40383601

約数列:

[1, 3, 9, 27, 81, 439, 1317, 2281, 3951, 6843, 11853, 20529, 35559, 61587, 184761, 1001359, 3004077, 9012231, 27036693, 81110079]

約数ペア:

[(1, 81110079), (3, 27036693), (9, 9012231), (27, 3004077), (81, 1001359), (439, 184761), (1317, 61587), (2281, 35559), (3951, 20529), (6843, 11853)]