2015193789

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{523}}^1$

素因数の和:624

約数の個数: 128

約数和(自身を含む): 3823104000

約数和(自身を除く): 1807910211

約数列:

[1, 3, 7, 9, 19, 21, 27, 29, 37, 57, 63, 87, 111, 133, 171, 189, 203, 259, 261, 333, 399, 513, 523, 551, 609, 703, 777, 783, 999, 1073, 1197, 1569, 1653, 1827, 2109, 2331, 3219, 3591, 3661, 3857, 4707, 4921, 4959, 5481, 6327, 6993, 7511, 9657, 9937, 10983, 11571, 14121, 14763, 14877, 15167, 18981, 19351, 20387, 22533, 28971, 29811, 32949, 34713, 44289, 45501, 58053, 61161, 67599, 69559, 89433, 98847, 104139, 106169, 132867, 135457, 136503, 142709, 174159, 183483, 202797, 208677, 268299, 288173, 318507, 367669, 406371, 409509, 428127, 522477, 550449, 561179, 626031, 864519, 955521, 1103007, 1219113, 1284381, 1683537, 1878093, 2017211, 2573683, 2593557, 2866563, 3309021, 3657339, 3853143, 3928253, 5050611, 6051633, 7721049, 7780671, 9927063, 10662401, 11784759, 15151833, 18154899, 23163147, 31987203, 35354277, 54464697, 69489441, 74636807, 95961609, 106062831, 223910421, 287884827, 671731263, 2015193789]

約数ペア:

[(1, 2015193789), (3, 671731263), (7, 287884827), (9, 223910421), (19, 106062831), (21, 95961609), (27, 74636807), (29, 69489441), (37, 54464697), (57, 35354277), (63, 31987203), (87, 23163147), (111, 18154899), (133, 15151833), (171, 11784759), (189, 10662401), (203, 9927063), (259, 7780671), (261, 7721049), (333, 6051633), (399, 5050611), (513, 3928253), (523, 3853143), (551, 3657339), (609, 3309021), (703, 2866563), (777, 2593557), (783, 2573683), (999, 2017211), (1073, 1878093), (1197, 1683537), (1569, 1284381), (1653, 1219113), (1827, 1103007), (2109, 955521), (2331, 864519), (3219, 626031), (3591, 561179), (3661, 550449), (3857, 522477), (4707, 428127), (4921, 409509), (4959, 406371), (5481, 367669), (6327, 318507), (6993, 288173), (7511, 268299), (9657, 208677), (9937, 202797), (10983, 183483), (11571, 174159), (14121, 142709), (14763, 136503), (14877, 135457), (15167, 132867), (18981, 106169), (19351, 104139), (20387, 98847), (22533, 89433), (28971, 69559), (29811, 67599), (32949, 61161), (34713, 58053), (44289, 45501)]