8008161

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:253

約数の個数: 32

約数和(自身を含む): 12773376

約数和(自身を除く): 4765215

約数列:

[1, 3, 7, 21, 41, 71, 123, 131, 213, 287, 393, 497, 861, 917, 1491, 2751, 2911, 5371, 8733, 9301, 16113, 20377, 27903, 37597, 61131, 65107, 112791, 195321, 381341, 1144023, 2669387, 8008161]

約数ペア:

[(1, 8008161), (3, 2669387), (7, 1144023), (21, 381341), (41, 195321), (71, 112791), (123, 65107), (131, 61131), (213, 37597), (287, 27903), (393, 20377), (497, 16113), (861, 9301), (917, 8733), (1491, 5371), (2751, 2911)]