28818153

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{317}}^1$

素因数の和:383

約数の個数: 64

約数和(自身を含む): 54136320

約数和(自身を除く): 25318167

約数列:

[1, 3, 7, 9, 13, 21, 27, 37, 39, 63, 91, 111, 117, 189, 259, 273, 317, 333, 351, 481, 777, 819, 951, 999, 1443, 2219, 2331, 2457, 2853, 3367, 4121, 4329, 6657, 6993, 8559, 10101, 11729, 12363, 12987, 19971, 28847, 30303, 35187, 37089, 59913, 82103, 86541, 90909, 105561, 111267, 152477, 246309, 259623, 316683, 457431, 738927, 778869, 1067339, 1372293, 2216781, 3202017, 4116879, 9606051, 28818153]

約数ペア:

[(1, 28818153), (3, 9606051), (7, 4116879), (9, 3202017), (13, 2216781), (21, 1372293), (27, 1067339), (37, 778869), (39, 738927), (63, 457431), (91, 316683), (111, 259623), (117, 246309), (189, 152477), (259, 111267), (273, 105561), (317, 90909), (333, 86541), (351, 82103), (481, 59913), (777, 37089), (819, 35187), (951, 30303), (999, 28847), (1443, 19971), (2219, 12987), (2331, 12363), (2457, 11729), (2853, 10101), (3367, 8559), (4121, 6993), (4329, 6657)]