85424787

素因数分解:

$3^4\times 7^2\times {\mathrm{21523}}^1$

素因数の和:21549

約数の個数: 30

約数和(自身を含む): 148451028

約数和(自身を除く): 63026241

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 21523, 64569, 150661, 193707, 451983, 581121, 1054627, 1355949, 1743363, 3163881, 4067847, 9491643, 12203541, 28474929, 85424787]

約数ペア:

[(1, 85424787), (3, 28474929), (7, 12203541), (9, 9491643), (21, 4067847), (27, 3163881), (49, 1743363), (63, 1355949), (81, 1054627), (147, 581121), (189, 451983), (441, 193707), (567, 150661), (1323, 64569), (3969, 21523)]