91728147

素因数分解:

$3^1\times 7^3\times {\mathrm{97}}^1\times {\mathrm{919}}^1$

素因数の和:1040

約数の個数: 32

約数和(自身を含む): 144256000

約数和(自身を除く): 52527853

約数列:

[1, 3, 7, 21, 49, 97, 147, 291, 343, 679, 919, 1029, 2037, 2757, 4753, 6433, 14259, 19299, 33271, 45031, 89143, 99813, 135093, 267429, 315217, 624001, 945651, 1872003, 4368007, 13104021, 30576049, 91728147]

約数ペア:

[(1, 91728147), (3, 30576049), (7, 13104021), (21, 4368007), (49, 1872003), (97, 945651), (147, 624001), (291, 315217), (343, 267429), (679, 135093), (919, 99813), (1029, 89143), (2037, 45031), (2757, 33271), (4753, 19299), (6433, 14259)]