647739315

素因数分解:

$3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{241}}^1\times {\mathrm{463}}^1$

素因数の和:761

約数の個数: 64

約数和(自身を含む): 1185761280

約数和(自身を除く): 538021965

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 129, 135, 215, 241, 387, 463, 645, 723, 1161, 1205, 1389, 1935, 2169, 2315, 3615, 4167, 5805, 6507, 6945, 10363, 10845, 12501, 19909, 20835, 31089, 32535, 51815, 59727, 62505, 93267, 99545, 111583, 155445, 179181, 279801, 298635, 334749, 466335, 537543, 557915, 895905, 1004247, 1399005, 1673745, 2687715, 3012741, 4798069, 5021235, 14394207, 15063705, 23990345, 43182621, 71971035, 129547863, 215913105, 647739315]

約数ペア:

[(1, 647739315), (3, 215913105), (5, 129547863), (9, 71971035), (15, 43182621), (27, 23990345), (43, 15063705), (45, 14394207), (129, 5021235), (135, 4798069), (215, 3012741), (241, 2687715), (387, 1673745), (463, 1399005), (645, 1004247), (723, 895905), (1161, 557915), (1205, 537543), (1389, 466335), (1935, 334749), (2169, 298635), (2315, 279801), (3615, 179181), (4167, 155445), (5805, 111583), (6507, 99545), (6945, 93267), (10363, 62505), (10845, 59727), (12501, 51815), (19909, 32535), (20835, 31089)]