28197774

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1283}}^1$

素因数の和:1342

約数の個数: 64

約数和(自身を含む): 70260480

約数和(自身を除く): 42062706

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 37, 54, 66, 74, 99, 111, 198, 222, 297, 333, 407, 594, 666, 814, 999, 1221, 1283, 1998, 2442, 2566, 3663, 3849, 7326, 7698, 10989, 11547, 14113, 21978, 23094, 28226, 34641, 42339, 47471, 69282, 84678, 94942, 127017, 142413, 254034, 284826, 381051, 427239, 522181, 762102, 854478, 1044362, 1281717, 1566543, 2563434, 3133086, 4699629, 9399258, 14098887, 28197774]

約数ペア:

[(1, 28197774), (2, 14098887), (3, 9399258), (6, 4699629), (9, 3133086), (11, 2563434), (18, 1566543), (22, 1281717), (27, 1044362), (33, 854478), (37, 762102), (54, 522181), (66, 427239), (74, 381051), (99, 284826), (111, 254034), (198, 142413), (222, 127017), (297, 94942), (333, 84678), (407, 69282), (594, 47471), (666, 42339), (814, 34641), (999, 28226), (1221, 23094), (1283, 21978), (1998, 14113), (2442, 11547), (2566, 10989), (3663, 7698), (3849, 7326)]