7109921

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:165

約数の個数: 32

約数和(自身を含む): 9461760

約数和(自身を除く): 2351839

約数列:

[1, 7, 13, 23, 43, 79, 91, 161, 299, 301, 553, 559, 989, 1027, 1817, 2093, 3397, 3913, 6923, 7189, 12719, 12857, 23621, 23779, 44161, 78131, 89999, 165347, 309127, 546917, 1015703, 7109921]

約数ペア:

[(1, 7109921), (7, 1015703), (13, 546917), (23, 309127), (43, 165347), (79, 89999), (91, 78131), (161, 44161), (299, 23779), (301, 23621), (553, 12857), (559, 12719), (989, 7189), (1027, 6923), (1817, 3913), (2093, 3397)]