71538369

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{227}}^1\times {\mathrm{349}}^1$

素因数の和:629

約数の個数: 32

約数和(自身を含む): 112358400

約数和(自身を除く): 40820031

約数列:

[1, 3, 7, 21, 43, 129, 227, 301, 349, 681, 903, 1047, 1589, 2443, 4767, 7329, 9761, 15007, 29283, 45021, 68327, 79223, 105049, 204981, 237669, 315147, 554561, 1663683, 3406589, 10219767, 23846123, 71538369]

約数ペア:

[(1, 71538369), (3, 23846123), (7, 10219767), (21, 3406589), (43, 1663683), (129, 554561), (227, 315147), (301, 237669), (349, 204981), (681, 105049), (903, 79223), (1047, 68327), (1589, 45021), (2443, 29283), (4767, 15007), (7329, 9761)]