678561579

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{181}}^1\times {\mathrm{229}}^1$

素因数の和:540

約数の個数: 48

約数和(自身を含む): 1057885920

約数和(自身を除く): 379324341

約数列:

[1, 3, 9, 17, 51, 107, 153, 181, 229, 321, 543, 687, 963, 1629, 1819, 2061, 3077, 3893, 5457, 9231, 11679, 16371, 19367, 24503, 27693, 35037, 41449, 58101, 73509, 124347, 174303, 220527, 329239, 373041, 416551, 704633, 987717, 1249653, 2113899, 2963151, 3748959, 4435043, 6341697, 13305129, 39915387, 75395731, 226187193, 678561579]

約数ペア:

[(1, 678561579), (3, 226187193), (9, 75395731), (17, 39915387), (51, 13305129), (107, 6341697), (153, 4435043), (181, 3748959), (229, 2963151), (321, 2113899), (543, 1249653), (687, 987717), (963, 704633), (1629, 416551), (1819, 373041), (2061, 329239), (3077, 220527), (3893, 174303), (5457, 124347), (9231, 73509), (11679, 58101), (16371, 41449), (19367, 35037), (24503, 27693)]