208186605

素因数分解:

$3^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{421}}^1$

素因数の和:489

約数の個数: 96

約数和(自身を含む): 420271488

約数和(自身を除く): 212084883

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 37, 45, 55, 81, 99, 111, 135, 165, 185, 243, 297, 333, 405, 407, 421, 495, 555, 891, 999, 1215, 1221, 1263, 1485, 1665, 2035, 2105, 2673, 2997, 3663, 3789, 4455, 4631, 4995, 6105, 6315, 8991, 10989, 11367, 13365, 13893, 14985, 15577, 18315, 18945, 23155, 32967, 34101, 41679, 44955, 46731, 54945, 56835, 69465, 77885, 98901, 102303, 125037, 140193, 164835, 170505, 171347, 208395, 233655, 375111, 420579, 494505, 511515, 514041, 625185, 700965, 856735, 1125333, 1261737, 1542123, 1875555, 2102895, 2570205, 3785211, 4626369, 5626665, 6308685, 7710615, 13879107, 18926055, 23131845, 41637321, 69395535, 208186605]

約数ペア:

[(1, 208186605), (3, 69395535), (5, 41637321), (9, 23131845), (11, 18926055), (15, 13879107), (27, 7710615), (33, 6308685), (37, 5626665), (45, 4626369), (55, 3785211), (81, 2570205), (99, 2102895), (111, 1875555), (135, 1542123), (165, 1261737), (185, 1125333), (243, 856735), (297, 700965), (333, 625185), (405, 514041), (407, 511515), (421, 494505), (495, 420579), (555, 375111), (891, 233655), (999, 208395), (1215, 171347), (1221, 170505), (1263, 164835), (1485, 140193), (1665, 125037), (2035, 102303), (2105, 98901), (2673, 77885), (2997, 69465), (3663, 56835), (3789, 54945), (4455, 46731), (4631, 44955), (4995, 41679), (6105, 34101), (6315, 32967), (8991, 23155), (10989, 18945), (11367, 18315), (13365, 15577), (13893, 14985)]