25904097

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{149}}^1$

素因数の和:342

約数の個数: 32

約数和(自身を含む): 39744000

約数和(自身を除く): 13839903

約数列:

[1, 3, 9, 27, 47, 137, 141, 149, 411, 423, 447, 1233, 1269, 1341, 3699, 4023, 6439, 7003, 19317, 20413, 21009, 57951, 61239, 63027, 173853, 183717, 189081, 551151, 959411, 2878233, 8634699, 25904097]

約数ペア:

[(1, 25904097), (3, 8634699), (9, 2878233), (27, 959411), (47, 551151), (137, 189081), (141, 183717), (149, 173853), (411, 63027), (423, 61239), (447, 57951), (1233, 21009), (1269, 20413), (1341, 19317), (3699, 7003), (4023, 6439)]