51174747

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2113}}^1$

素因数の和:2161

約数の個数: 40

約数和(自身を含む): 85946784

約数和(自身を除く): 34772037

約数列:

[1, 3, 9, 13, 23, 27, 39, 69, 81, 117, 207, 299, 351, 621, 897, 1053, 1863, 2113, 2691, 6339, 8073, 19017, 24219, 27469, 48599, 57051, 82407, 145797, 171153, 247221, 437391, 631787, 741663, 1312173, 1895361, 2224989, 3936519, 5686083, 17058249, 51174747]

約数ペア:

[(1, 51174747), (3, 17058249), (9, 5686083), (13, 3936519), (23, 2224989), (27, 1895361), (39, 1312173), (69, 741663), (81, 631787), (117, 437391), (207, 247221), (299, 171153), (351, 145797), (621, 82407), (897, 57051), (1053, 48599), (1863, 27469), (2113, 24219), (2691, 19017), (6339, 8073)]