27963117

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{599}}^1$

素因数の和:647

約数の個数: 64

約数和(自身を含む): 53760000

約数和(自身を除く): 25796883

約数列:

[1, 3, 7, 9, 13, 19, 21, 27, 39, 57, 63, 91, 117, 133, 171, 189, 247, 273, 351, 399, 513, 599, 741, 819, 1197, 1729, 1797, 2223, 2457, 3591, 4193, 5187, 5391, 6669, 7787, 11381, 12579, 15561, 16173, 23361, 34143, 37737, 46683, 54509, 70083, 79667, 102429, 113211, 147953, 163527, 210249, 239001, 307287, 443859, 490581, 717003, 1035671, 1331577, 1471743, 2151009, 3107013, 3994731, 9321039, 27963117]

約数ペア:

[(1, 27963117), (3, 9321039), (7, 3994731), (9, 3107013), (13, 2151009), (19, 1471743), (21, 1331577), (27, 1035671), (39, 717003), (57, 490581), (63, 443859), (91, 307287), (117, 239001), (133, 210249), (171, 163527), (189, 147953), (247, 113211), (273, 102429), (351, 79667), (399, 70083), (513, 54509), (599, 46683), (741, 37737), (819, 34143), (1197, 23361), (1729, 16173), (1797, 15561), (2223, 12579), (2457, 11381), (3591, 7787), (4193, 6669), (5187, 5391)]