257707755

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{6073}}^1$

素因数の和:6148

約数の個数: 48

約数和(自身を含む): 477562176

約数和(自身を除く): 219854421

約数列:

[1, 3, 5, 9, 15, 23, 41, 45, 69, 115, 123, 205, 207, 345, 369, 615, 943, 1035, 1845, 2829, 4715, 6073, 8487, 14145, 18219, 30365, 42435, 54657, 91095, 139679, 248993, 273285, 419037, 698395, 746979, 1244965, 1257111, 2095185, 2240937, 3734895, 5726839, 6285555, 11204685, 17180517, 28634195, 51541551, 85902585, 257707755]

約数ペア:

[(1, 257707755), (3, 85902585), (5, 51541551), (9, 28634195), (15, 17180517), (23, 11204685), (41, 6285555), (45, 5726839), (69, 3734895), (115, 2240937), (123, 2095185), (205, 1257111), (207, 1244965), (345, 746979), (369, 698395), (615, 419037), (943, 273285), (1035, 248993), (1845, 139679), (2829, 91095), (4715, 54657), (6073, 42435), (8487, 30365), (14145, 18219)]