223870857

素因数分解:

$3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{331}}^1$

素因数の和:498

約数の個数: 48

約数和(自身を含む): 359707392

約数和(自身を除く): 135836535

約数列:

[1, 3, 7, 21, 43, 49, 107, 129, 147, 301, 321, 331, 749, 903, 993, 2107, 2247, 2317, 4601, 5243, 6321, 6951, 13803, 14233, 15729, 16219, 32207, 35417, 42699, 48657, 96621, 99631, 106251, 225449, 247919, 298893, 676347, 697417, 743757, 1522931, 1735433, 2092251, 4568793, 5206299, 10660517, 31981551, 74623619, 223870857]

約数ペア:

[(1, 223870857), (3, 74623619), (7, 31981551), (21, 10660517), (43, 5206299), (49, 4568793), (107, 2092251), (129, 1735433), (147, 1522931), (301, 743757), (321, 697417), (331, 676347), (749, 298893), (903, 247919), (993, 225449), (2107, 106251), (2247, 99631), (2317, 96621), (4601, 48657), (5243, 42699), (6321, 35417), (6951, 32207), (13803, 16219), (14233, 15729)]