28486845

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{263}}^1$

素因数の和:386

約数の個数: 48

約数和(自身を含む): 51891840

約数和(自身を除く): 23404995

約数列:

[1, 3, 5, 9, 15, 29, 45, 83, 87, 145, 249, 261, 263, 415, 435, 747, 789, 1245, 1305, 1315, 2367, 2407, 3735, 3945, 7221, 7627, 11835, 12035, 21663, 21829, 22881, 36105, 38135, 65487, 68643, 108315, 109145, 114405, 196461, 327435, 343215, 633041, 982305, 1899123, 3165205, 5697369, 9495615, 28486845]

約数ペア:

[(1, 28486845), (3, 9495615), (5, 5697369), (9, 3165205), (15, 1899123), (29, 982305), (45, 633041), (83, 343215), (87, 327435), (145, 196461), (249, 114405), (261, 109145), (263, 108315), (415, 68643), (435, 65487), (747, 38135), (789, 36105), (1245, 22881), (1305, 21829), (1315, 21663), (2367, 12035), (2407, 11835), (3735, 7627), (3945, 7221)]