27653985

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{977}}^1$

素因数の和:1042

約数の個数: 48

約数和(自身を含む): 52178256

約数和(自身を除く): 24524271

約数列:

[1, 3, 5, 9, 15, 17, 37, 45, 51, 85, 111, 153, 185, 255, 333, 555, 629, 765, 977, 1665, 1887, 2931, 3145, 4885, 5661, 8793, 9435, 14655, 16609, 28305, 36149, 43965, 49827, 83045, 108447, 149481, 180745, 249135, 325341, 542235, 614533, 747405, 1626705, 1843599, 3072665, 5530797, 9217995, 27653985]

約数ペア:

[(1, 27653985), (3, 9217995), (5, 5530797), (9, 3072665), (15, 1843599), (17, 1626705), (37, 747405), (45, 614533), (51, 542235), (85, 325341), (111, 249135), (153, 180745), (185, 149481), (255, 108447), (333, 83045), (555, 49827), (629, 43965), (765, 36149), (977, 28305), (1665, 16609), (1887, 14655), (2931, 9435), (3145, 8793), (4885, 5661)]