987496731

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{2713}}^1$

素因数の和:2813

約数の個数: 64

約数和(自身を含む): 1696141440

約数和(自身を除く): 708644709

約数列:

[1, 3, 9, 13, 17, 27, 39, 51, 61, 117, 153, 183, 221, 351, 459, 549, 663, 793, 1037, 1647, 1989, 2379, 2713, 3111, 5967, 7137, 8139, 9333, 13481, 21411, 24417, 27999, 35269, 40443, 46121, 73251, 105807, 121329, 138363, 165493, 317421, 363987, 415089, 496479, 599573, 952263, 1245267, 1489437, 1798719, 2151409, 2813381, 4468311, 5396157, 6454227, 8440143, 16188471, 19362681, 25320429, 36573953, 58088043, 75961287, 109721859, 329165577, 987496731]

約数ペア:

[(1, 987496731), (3, 329165577), (9, 109721859), (13, 75961287), (17, 58088043), (27, 36573953), (39, 25320429), (51, 19362681), (61, 16188471), (117, 8440143), (153, 6454227), (183, 5396157), (221, 4468311), (351, 2813381), (459, 2151409), (549, 1798719), (663, 1489437), (793, 1245267), (1037, 952263), (1647, 599573), (1989, 496479), (2379, 415089), (2713, 363987), (3111, 317421), (5967, 165493), (7137, 138363), (8139, 121329), (9333, 105807), (13481, 73251), (21411, 46121), (24417, 40443), (27999, 35269)]