66879945

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1553}}^1$

素因数の和:1607

約数の個数: 64

約数和(自身を含む): 134265600

約数和(自身を除く): 67385655

約数列:

[1, 3, 5, 9, 11, 15, 27, 29, 33, 45, 55, 87, 99, 135, 145, 165, 261, 297, 319, 435, 495, 783, 957, 1305, 1485, 1553, 1595, 2871, 3915, 4659, 4785, 7765, 8613, 13977, 14355, 17083, 23295, 41931, 43065, 45037, 51249, 69885, 85415, 135111, 153747, 209655, 225185, 256245, 405333, 461241, 495407, 675555, 768735, 1215999, 1486221, 2026665, 2306205, 2477035, 4458663, 6079995, 7431105, 13375989, 22293315, 66879945]

約数ペア:

[(1, 66879945), (3, 22293315), (5, 13375989), (9, 7431105), (11, 6079995), (15, 4458663), (27, 2477035), (29, 2306205), (33, 2026665), (45, 1486221), (55, 1215999), (87, 768735), (99, 675555), (135, 495407), (145, 461241), (165, 405333), (261, 256245), (297, 225185), (319, 209655), (435, 153747), (495, 135111), (783, 85415), (957, 69885), (1305, 51249), (1485, 45037), (1553, 43065), (1595, 41931), (2871, 23295), (3915, 17083), (4659, 14355), (4785, 13977), (7765, 8613)]