25780221

素因数分解:

$3^3\times {\mathrm{821}}^1\times {\mathrm{1163}}^1$

素因数の和:1993

約数の個数: 16

約数和(自身を含む): 38272320

約数和(自身を除く): 12492099

約数列:

[1, 3, 9, 27, 821, 1163, 2463, 3489, 7389, 10467, 22167, 31401, 954823, 2864469, 8593407, 25780221]

約数ペア:

[(1, 25780221), (3, 8593407), (9, 2864469), (27, 954823), (821, 31401), (1163, 22167), (2463, 10467), (3489, 7389)]