25390665

素因数分解:

$3^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{883}}^1$

素因数の和:971

約数の個数: 40

約数和(自身を含む): 46208448

約数和(自身を除く): 20817783

約数列:

[1, 3, 5, 9, 15, 27, 45, 71, 81, 135, 213, 355, 405, 639, 883, 1065, 1917, 2649, 3195, 4415, 5751, 7947, 9585, 13245, 23841, 28755, 39735, 62693, 71523, 119205, 188079, 313465, 357615, 564237, 940395, 1692711, 2821185, 5078133, 8463555, 25390665]

約数ペア:

[(1, 25390665), (3, 8463555), (5, 5078133), (9, 2821185), (15, 1692711), (27, 940395), (45, 564237), (71, 357615), (81, 313465), (135, 188079), (213, 119205), (355, 71523), (405, 62693), (639, 39735), (883, 28755), (1065, 23841), (1917, 13245), (2649, 9585), (3195, 7947), (4415, 5751)]