17440227

素因数分解:

$3^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{557}}^1$

素因数の和:648

約数の個数: 36

約数和(自身を含む): 29770416

約数和(自身を除く): 12330189

約数列:

[1, 3, 7, 9, 21, 49, 63, 71, 147, 213, 441, 497, 557, 639, 1491, 1671, 3479, 3899, 4473, 5013, 10437, 11697, 27293, 31311, 35091, 39547, 81879, 118641, 245637, 276829, 355923, 830487, 1937803, 2491461, 5813409, 17440227]

約数ペア:

[(1, 17440227), (3, 5813409), (7, 2491461), (9, 1937803), (21, 830487), (49, 355923), (63, 276829), (71, 245637), (147, 118641), (213, 81879), (441, 39547), (497, 35091), (557, 31311), (639, 27293), (1491, 11697), (1671, 10437), (3479, 5013), (3899, 4473)]