17941203

素因数分解:

$3^3\times 7^2\times {\mathrm{71}}^1\times {\mathrm{191}}^1$

素因数の和:285

約数の個数: 48

約数和(自身を含む): 31518720

約数和(自身を除く): 13577517

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 71, 147, 189, 191, 213, 441, 497, 573, 639, 1323, 1337, 1491, 1719, 1917, 3479, 4011, 4473, 5157, 9359, 10437, 12033, 13419, 13561, 28077, 31311, 36099, 40683, 84231, 93933, 94927, 122049, 252693, 284781, 366147, 664489, 854343, 1993467, 2563029, 5980401, 17941203]

約数ペア:

[(1, 17941203), (3, 5980401), (7, 2563029), (9, 1993467), (21, 854343), (27, 664489), (49, 366147), (63, 284781), (71, 252693), (147, 122049), (189, 94927), (191, 93933), (213, 84231), (441, 40683), (497, 36099), (573, 31311), (639, 28077), (1323, 13561), (1337, 13419), (1491, 12033), (1719, 10437), (1917, 9359), (3479, 5157), (4011, 4473)]