28976481

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1609}}^1$

素因数の和:1670

約数の個数: 32

約数和(自身を含む): 46368000

約数和(自身を除く): 17391519

約数列:

[1, 3, 9, 23, 27, 29, 69, 87, 207, 261, 621, 667, 783, 1609, 2001, 4827, 6003, 14481, 18009, 37007, 43443, 46661, 111021, 139983, 333063, 419949, 999189, 1073203, 1259847, 3219609, 9658827, 28976481]

約数ペア:

[(1, 28976481), (3, 9658827), (9, 3219609), (23, 1259847), (27, 1073203), (29, 999189), (69, 419949), (87, 333063), (207, 139983), (261, 111021), (621, 46661), (667, 43443), (783, 37007), (1609, 18009), (2001, 14481), (4827, 6003)]