28632879

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1$

素因数の和:197

約数の個数: 64

約数和(自身を含む): 50388480

約数和(自身を除く): 21755601

約数列:

[1, 3, 9, 11, 17, 27, 33, 51, 53, 99, 107, 153, 159, 187, 297, 321, 459, 477, 561, 583, 901, 963, 1177, 1431, 1683, 1749, 1819, 2703, 2889, 3531, 5049, 5247, 5457, 5671, 8109, 9911, 10593, 15741, 16371, 17013, 20009, 24327, 29733, 31779, 49113, 51039, 60027, 62381, 89199, 96407, 153117, 180081, 187143, 267597, 289221, 540243, 561429, 867663, 1060477, 1684287, 2602989, 3181431, 9544293, 28632879]

約数ペア:

[(1, 28632879), (3, 9544293), (9, 3181431), (11, 2602989), (17, 1684287), (27, 1060477), (33, 867663), (51, 561429), (53, 540243), (99, 289221), (107, 267597), (153, 187143), (159, 180081), (187, 153117), (297, 96407), (321, 89199), (459, 62381), (477, 60027), (561, 51039), (583, 49113), (901, 31779), (963, 29733), (1177, 24327), (1431, 20009), (1683, 17013), (1749, 16371), (1819, 15741), (2703, 10593), (2889, 9911), (3531, 8109), (5049, 5671), (5247, 5457)]