25439265

素因数分解:

$3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2731}}^1$

素因数の和:2771

約数の個数: 40

約数和(自身を含む): 47602368

約数和(自身を除く): 22163103

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 81, 115, 135, 207, 345, 405, 621, 1035, 1863, 2731, 3105, 8193, 9315, 13655, 24579, 40965, 62813, 73737, 122895, 188439, 221211, 314065, 368685, 565317, 942195, 1106055, 1695951, 2826585, 5087853, 8479755, 25439265]

約数ペア:

[(1, 25439265), (3, 8479755), (5, 5087853), (9, 2826585), (15, 1695951), (23, 1106055), (27, 942195), (45, 565317), (69, 368685), (81, 314065), (115, 221211), (135, 188439), (207, 122895), (345, 73737), (405, 62813), (621, 40965), (1035, 24579), (1863, 13655), (2731, 9315), (3105, 8193)]