28943733

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{1093}}^1$

素因数の和:1213

約数の個数: 32

約数和(自身を含む): 48030976

約数和(自身を除く): 19087243

約数列:

[1, 3, 7, 13, 21, 39, 91, 97, 273, 291, 679, 1093, 1261, 2037, 3279, 3783, 7651, 8827, 14209, 22953, 26481, 42627, 99463, 106021, 298389, 318063, 742147, 1378273, 2226441, 4134819, 9647911, 28943733]

約数ペア:

[(1, 28943733), (3, 9647911), (7, 4134819), (13, 2226441), (21, 1378273), (39, 742147), (91, 318063), (97, 298389), (273, 106021), (291, 99463), (679, 42627), (1093, 26481), (1261, 22953), (2037, 14209), (3279, 8827), (3783, 7651)]