28356867

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1$

素因数の和:153

約数の個数: 96

約数和(自身を含む): 56609280

約数和(自身を除く): 28252413

約数列:

[1, 3, 7, 9, 11, 17, 21, 29, 33, 51, 63, 77, 83, 87, 99, 119, 153, 187, 203, 231, 249, 261, 319, 357, 493, 561, 581, 609, 693, 747, 913, 957, 1071, 1309, 1411, 1479, 1683, 1743, 1827, 2233, 2407, 2739, 2871, 3451, 3927, 4233, 4437, 5229, 5423, 6391, 6699, 7221, 8217, 9877, 10353, 11781, 12699, 15521, 16269, 16849, 19173, 20097, 21663, 26477, 29631, 31059, 37961, 40919, 46563, 48807, 50547, 57519, 79431, 88893, 108647, 113883, 122757, 139689, 151641, 185339, 238293, 286433, 325941, 341649, 368271, 450109, 556017, 859299, 977823, 1350327, 1668051, 2577897, 3150763, 4050981, 9452289, 28356867]

約数ペア:

[(1, 28356867), (3, 9452289), (7, 4050981), (9, 3150763), (11, 2577897), (17, 1668051), (21, 1350327), (29, 977823), (33, 859299), (51, 556017), (63, 450109), (77, 368271), (83, 341649), (87, 325941), (99, 286433), (119, 238293), (153, 185339), (187, 151641), (203, 139689), (231, 122757), (249, 113883), (261, 108647), (319, 88893), (357, 79431), (493, 57519), (561, 50547), (581, 48807), (609, 46563), (693, 40919), (747, 37961), (913, 31059), (957, 29631), (1071, 26477), (1309, 21663), (1411, 20097), (1479, 19173), (1683, 16849), (1743, 16269), (1827, 15521), (2233, 12699), (2407, 11781), (2739, 10353), (2871, 9877), (3451, 8217), (3927, 7221), (4233, 6699), (4437, 6391), (5229, 5423)]