81746649

素因数分解:

$3^2\times {\mathrm{61}}^2\times {\mathrm{2441}}^1$

素因数の和:2569

約数の個数: 18

約数和(自身を含む): 120095118

約数和(自身を除く): 38348469

約数列:

[1, 3, 9, 61, 183, 549, 2441, 3721, 7323, 11163, 21969, 33489, 148901, 446703, 1340109, 9082961, 27248883, 81746649]

約数ペア:

[(1, 81746649), (3, 27248883), (9, 9082961), (61, 1340109), (183, 446703), (549, 148901), (2441, 33489), (3721, 21969), (7323, 11163)]