17894421

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1$

素因数の和:198

約数の個数: 48

約数和(自身を含む): 29343600

約数和(自身を除く): 11449179

約数列:

[1, 3, 9, 17, 29, 37, 51, 87, 109, 111, 153, 261, 327, 333, 493, 629, 981, 1073, 1479, 1853, 1887, 3161, 3219, 4033, 4437, 5559, 5661, 9483, 9657, 12099, 16677, 18241, 28449, 36297, 53737, 54723, 68561, 116957, 161211, 164169, 205683, 350871, 483633, 617049, 1052613, 1988269, 5964807, 17894421]

約数ペア:

[(1, 17894421), (3, 5964807), (9, 1988269), (17, 1052613), (29, 617049), (37, 483633), (51, 350871), (87, 205683), (109, 164169), (111, 161211), (153, 116957), (261, 68561), (327, 54723), (333, 53737), (493, 36297), (629, 28449), (981, 18241), (1073, 16677), (1479, 12099), (1853, 9657), (1887, 9483), (3161, 5661), (3219, 5559), (4033, 4437)]