16677639

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 28098720

約数和(自身を除く): 11421081

約数列:

[1, 3, 9, 11, 29, 33, 37, 87, 99, 111, 157, 261, 319, 333, 407, 471, 957, 1073, 1221, 1413, 1727, 2871, 3219, 3663, 4553, 5181, 5809, 9657, 11803, 13659, 15543, 17427, 35409, 40977, 50083, 52281, 63899, 106227, 150249, 168461, 191697, 450747, 505383, 575091, 1516149, 1853071, 5559213, 16677639]

約数ペア:

[(1, 16677639), (3, 5559213), (9, 1853071), (11, 1516149), (29, 575091), (33, 505383), (37, 450747), (87, 191697), (99, 168461), (111, 150249), (157, 106227), (261, 63899), (319, 52281), (333, 50083), (407, 40977), (471, 35409), (957, 17427), (1073, 15543), (1221, 13659), (1413, 11803), (1727, 9657), (2871, 5809), (3219, 5181), (3663, 4553)]