289780173

素因数分解:

$3^5\times {\mathrm{89}}^1\times {\mathrm{13399}}^1$

素因数の和:13503

約数の個数: 24

約数和(自身を含む): 438984000

約数和(自身を除く): 149203827

約数列:

[1, 3, 9, 27, 81, 89, 243, 267, 801, 2403, 7209, 13399, 21627, 40197, 120591, 361773, 1085319, 1192511, 3255957, 3577533, 10732599, 32197797, 96593391, 289780173]

約数ペア:

[(1, 289780173), (3, 96593391), (9, 32197797), (27, 10732599), (81, 3577533), (89, 3255957), (243, 1192511), (267, 1085319), (801, 361773), (2403, 120591), (7209, 40197), (13399, 21627)]