208049265

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{1361}}^1$

素因数の和:1494

約数の個数: 48

約数和(自身を含む): 373950720

約数和(自身を除く): 165901455

約数列:

[1, 3, 5, 9, 15, 43, 45, 79, 129, 215, 237, 387, 395, 645, 711, 1185, 1361, 1935, 3397, 3555, 4083, 6805, 10191, 12249, 16985, 20415, 30573, 50955, 58523, 61245, 107519, 152865, 175569, 292615, 322557, 526707, 537595, 877845, 967671, 1612785, 2633535, 4623317, 4838355, 13869951, 23116585, 41609853, 69349755, 208049265]

約数ペア:

[(1, 208049265), (3, 69349755), (5, 41609853), (9, 23116585), (15, 13869951), (43, 4838355), (45, 4623317), (79, 2633535), (129, 1612785), (215, 967671), (237, 877845), (387, 537595), (395, 526707), (645, 322557), (711, 292615), (1185, 175569), (1361, 152865), (1935, 107519), (3397, 61245), (3555, 58523), (4083, 50955), (6805, 30573), (10191, 20415), (12249, 16985)]