25540389

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{1123}}^1$

素因数の和:1174

約数の個数: 36

約数和(自身を含む): 44537376

約数和(自身を除く): 18996987

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 361, 399, 1083, 1123, 1197, 2527, 3249, 3369, 7581, 7861, 10107, 21337, 22743, 23583, 64011, 70749, 149359, 192033, 405403, 448077, 1216209, 1344231, 2837821, 3648627, 8513463, 25540389]

約数ペア:

[(1, 25540389), (3, 8513463), (7, 3648627), (9, 2837821), (19, 1344231), (21, 1216209), (57, 448077), (63, 405403), (133, 192033), (171, 149359), (361, 70749), (399, 64011), (1083, 23583), (1123, 22743), (1197, 21337), (2527, 10107), (3249, 7861), (3369, 7581)]