25757919

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{28909}}^1$

素因数の和:28932

約数の個数: 20

約数和(自身を含む): 41977320

約数和(自身を除く): 16219401

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 28909, 86727, 260181, 317999, 780543, 953997, 2341629, 2861991, 8585973, 25757919]

約数ペア:

[(1, 25757919), (3, 8585973), (9, 2861991), (11, 2341629), (27, 953997), (33, 780543), (81, 317999), (99, 260181), (297, 86727), (891, 28909)]