8911707

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:263

約数の個数: 32

約数和(自身を含む): 14192640

約数和(自身を除く): 5280933

約数列:

[1, 3, 7, 21, 43, 71, 129, 139, 213, 301, 417, 497, 903, 973, 1491, 2919, 3053, 5977, 9159, 9869, 17931, 21371, 29607, 41839, 64113, 69083, 125517, 207249, 424367, 1273101, 2970569, 8911707]

約数ペア:

[(1, 8911707), (3, 2970569), (7, 1273101), (21, 424367), (43, 207249), (71, 125517), (129, 69083), (139, 64113), (213, 41839), (301, 29607), (417, 21371), (497, 17931), (903, 9869), (973, 9159), (1491, 5977), (2919, 3053)]