84279321

素因数分解:

$3^2\times 7^1\times {\mathrm{641}}^1\times {\mathrm{2087}}^1$

素因数の和:2741

約数の個数: 24

約数和(自身を含む): 139411584

約数和(自身を除く): 55132263

約数列:

[1, 3, 7, 9, 21, 63, 641, 1923, 2087, 4487, 5769, 6261, 13461, 14609, 18783, 40383, 43827, 131481, 1337767, 4013301, 9364369, 12039903, 28093107, 84279321]

約数ペア:

[(1, 84279321), (3, 28093107), (7, 12039903), (9, 9364369), (21, 4013301), (63, 1337767), (641, 131481), (1923, 43827), (2087, 40383), (4487, 18783), (5769, 14609), (6261, 13461)]