908901

素因数分解:

$3^4\times 7^2\times {\mathrm{229}}^1$

素因数の和:255

約数の個数: 30

約数和(自身を含む): 1586310

約数和(自身を除く): 677409

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 229, 441, 567, 687, 1323, 1603, 2061, 3969, 4809, 6183, 11221, 14427, 18549, 33663, 43281, 100989, 129843, 302967, 908901]

約数ペア:

[(1, 908901), (3, 302967), (7, 129843), (9, 100989), (21, 43281), (27, 33663), (49, 18549), (63, 14427), (81, 11221), (147, 6183), (189, 4809), (229, 3969), (441, 2061), (567, 1603), (687, 1323)]