28226079

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{12109}}^1$

素因数の和:12159

約数の個数: 24

約数和(自身を含む): 47858720

約数和(自身を除く): 19632641

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 259, 333, 777, 2331, 12109, 36327, 84763, 108981, 254289, 448033, 762867, 1344099, 3136231, 4032297, 9408693, 28226079]

約数ペア:

[(1, 28226079), (3, 9408693), (7, 4032297), (9, 3136231), (21, 1344099), (37, 762867), (63, 448033), (111, 254289), (259, 108981), (333, 84763), (777, 36327), (2331, 12109)]