25215705

素因数分解:

$3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2707}}^1$

素因数の和:2747

約数の個数: 40

約数和(自身を含む): 47184192

約数和(自身を除く): 21968487

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 81, 115, 135, 207, 345, 405, 621, 1035, 1863, 2707, 3105, 8121, 9315, 13535, 24363, 40605, 62261, 73089, 121815, 186783, 219267, 311305, 365445, 560349, 933915, 1096335, 1681047, 2801745, 5043141, 8405235, 25215705]

約数ペア:

[(1, 25215705), (3, 8405235), (5, 5043141), (9, 2801745), (15, 1681047), (23, 1096335), (27, 933915), (45, 560349), (69, 365445), (81, 311305), (115, 219267), (135, 186783), (207, 121815), (345, 73089), (405, 62261), (621, 40605), (1035, 24363), (1863, 13535), (2707, 9315), (3105, 8121)]