25980543

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{1109}}^1$

素因数の和:1271

約数の個数: 24

約数和(自身を含む): 39826800

約数和(自身を除く): 13846257

約数列:

[1, 3, 9, 19, 57, 137, 171, 411, 1109, 1233, 2603, 3327, 7809, 9981, 21071, 23427, 63213, 151933, 189639, 455799, 1367397, 2886727, 8660181, 25980543]

約数ペア:

[(1, 25980543), (3, 8660181), (9, 2886727), (19, 1367397), (57, 455799), (137, 189639), (171, 151933), (411, 63213), (1109, 23427), (1233, 21071), (2603, 9981), (3327, 7809)]