8497209

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:261

約数の個数: 32

約数和(自身を含む): 13547520

約数和(自身を除く): 5050311

約数列:

[1, 3, 7, 21, 41, 71, 123, 139, 213, 287, 417, 497, 861, 973, 1491, 2911, 2919, 5699, 8733, 9869, 17097, 20377, 29607, 39893, 61131, 69083, 119679, 207249, 404629, 1213887, 2832403, 8497209]

約数ペア:

[(1, 8497209), (3, 2832403), (7, 1213887), (21, 404629), (41, 207249), (71, 119679), (123, 69083), (139, 61131), (213, 39893), (287, 29607), (417, 20377), (497, 17097), (861, 9869), (973, 8733), (1491, 5699), (2911, 2919)]