28426827

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:160

約数の個数: 64

約数和(自身を含む): 48254976

約数和(自身を除く): 19828149

約数列:

[1, 3, 11, 13, 23, 33, 39, 43, 67, 69, 129, 143, 201, 253, 299, 429, 473, 559, 737, 759, 871, 897, 989, 1419, 1541, 1677, 2211, 2613, 2881, 2967, 3289, 4623, 6149, 8643, 9581, 9867, 10879, 12857, 16951, 18447, 20033, 28743, 31691, 32637, 37453, 38571, 50853, 60099, 66263, 95073, 112359, 141427, 198789, 220363, 411983, 424281, 661089, 728893, 861419, 1235949, 2186679, 2584257, 9475609, 28426827]

約数ペア:

[(1, 28426827), (3, 9475609), (11, 2584257), (13, 2186679), (23, 1235949), (33, 861419), (39, 728893), (43, 661089), (67, 424281), (69, 411983), (129, 220363), (143, 198789), (201, 141427), (253, 112359), (299, 95073), (429, 66263), (473, 60099), (559, 50853), (737, 38571), (759, 37453), (871, 32637), (897, 31691), (989, 28743), (1419, 20033), (1541, 18447), (1677, 16951), (2211, 12857), (2613, 10879), (2881, 9867), (2967, 9581), (3289, 8643), (4623, 6149)]