28247037

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{967}}^1$

素因数の和:1097

約数の個数: 32

約数和(自身を含む): 46835712

約数和(自身を除く): 18588675

約数列:

[1, 3, 7, 13, 21, 39, 91, 107, 273, 321, 749, 967, 1391, 2247, 2901, 4173, 6769, 9737, 12571, 20307, 29211, 37713, 87997, 103469, 263991, 310407, 724283, 1345097, 2172849, 4035291, 9415679, 28247037]

約数ペア:

[(1, 28247037), (3, 9415679), (7, 4035291), (13, 2172849), (21, 1345097), (39, 724283), (91, 310407), (107, 263991), (273, 103469), (321, 87997), (749, 37713), (967, 29211), (1391, 20307), (2247, 12571), (2901, 9737), (4173, 6769)]