17945037

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:151

約数の個数: 64

約数和(自身を含む): 31518720

約数和(自身を除く): 13573683

約数列:

[1, 3, 9, 11, 23, 27, 33, 37, 69, 71, 99, 111, 207, 213, 253, 297, 333, 407, 621, 639, 759, 781, 851, 999, 1221, 1633, 1917, 2277, 2343, 2553, 2627, 3663, 4899, 6831, 7029, 7659, 7881, 9361, 10989, 14697, 17963, 21087, 22977, 23643, 28083, 28897, 44091, 53889, 60421, 70929, 84249, 86691, 161667, 181263, 252747, 260073, 485001, 543789, 664631, 780219, 1631367, 1993893, 5981679, 17945037]

約数ペア:

[(1, 17945037), (3, 5981679), (9, 1993893), (11, 1631367), (23, 780219), (27, 664631), (33, 543789), (37, 485001), (69, 260073), (71, 252747), (99, 181263), (111, 161667), (207, 86691), (213, 84249), (253, 70929), (297, 60421), (333, 53889), (407, 44091), (621, 28897), (639, 28083), (759, 23643), (781, 22977), (851, 21087), (999, 17963), (1221, 14697), (1633, 10989), (1917, 9361), (2277, 7881), (2343, 7659), (2553, 7029), (2627, 6831), (3663, 4899)]