25389765

素因数分解:

$3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:274

約数の個数: 48

約数和(自身を含む): 45714240

約数和(自身を除く): 20324475

約数列:

[1, 3, 5, 9, 15, 45, 59, 73, 131, 177, 219, 295, 365, 393, 531, 655, 657, 885, 1095, 1179, 1965, 2655, 3285, 4307, 5895, 7729, 9563, 12921, 21535, 23187, 28689, 38645, 38763, 47815, 64605, 69561, 86067, 115935, 143445, 193815, 347805, 430335, 564217, 1692651, 2821085, 5077953, 8463255, 25389765]

約数ペア:

[(1, 25389765), (3, 8463255), (5, 5077953), (9, 2821085), (15, 1692651), (45, 564217), (59, 430335), (73, 347805), (131, 193815), (177, 143445), (219, 115935), (295, 86067), (365, 69561), (393, 64605), (531, 47815), (655, 38763), (657, 38645), (885, 28689), (1095, 23187), (1179, 21535), (1965, 12921), (2655, 9563), (3285, 7729), (4307, 5895)]