28744107

素因数分解:

$3^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1$

素因数の和:347

約数の個数: 32

約数和(自身を含む): 45007872

約数和(自身を除く): 16263765

約数列:

[1, 3, 7, 21, 97, 103, 137, 291, 309, 411, 679, 721, 959, 2037, 2163, 2877, 9991, 13289, 14111, 29973, 39867, 42333, 69937, 93023, 98777, 209811, 279069, 296331, 1368767, 4106301, 9581369, 28744107]

約数ペア:

[(1, 28744107), (3, 9581369), (7, 4106301), (21, 1368767), (97, 296331), (103, 279069), (137, 209811), (291, 98777), (309, 93023), (411, 69937), (679, 42333), (721, 39867), (959, 29973), (2037, 14111), (2163, 13289), (2877, 9991)]