27788427

素因数分解:

$3^4\times {\mathrm{349}}^1\times {\mathrm{983}}^1$

素因数の和:1344

約数の個数: 20

約数和(自身を含む): 41672400

約数和(自身を除く): 13883973

約数列:

[1, 3, 9, 27, 81, 349, 983, 1047, 2949, 3141, 8847, 9423, 26541, 28269, 79623, 343067, 1029201, 3087603, 9262809, 27788427]

約数ペア:

[(1, 27788427), (3, 9262809), (9, 3087603), (27, 1029201), (81, 343067), (349, 79623), (983, 28269), (1047, 26541), (2949, 9423), (3141, 8847)]