289172079

素因数分解:

$3^3\times 7^2\times {\mathrm{29}}^1\times {\mathrm{7537}}^1$

素因数の和:7589

約数の個数: 48

約数和(自身を含む): 515599200

約数和(自身を除く): 226427121

約数列:

[1, 3, 7, 9, 21, 27, 29, 49, 63, 87, 147, 189, 203, 261, 441, 609, 783, 1323, 1421, 1827, 4263, 5481, 7537, 12789, 22611, 38367, 52759, 67833, 158277, 203499, 218573, 369313, 474831, 655719, 1107939, 1424493, 1530011, 1967157, 3323817, 4590033, 5901471, 9971451, 10710077, 13770099, 32130231, 41310297, 96390693, 289172079]

約数ペア:

[(1, 289172079), (3, 96390693), (7, 41310297), (9, 32130231), (21, 13770099), (27, 10710077), (29, 9971451), (49, 5901471), (63, 4590033), (87, 3323817), (147, 1967157), (189, 1530011), (203, 1424493), (261, 1107939), (441, 655719), (609, 474831), (783, 369313), (1323, 218573), (1421, 203499), (1827, 158277), (4263, 67833), (5481, 52759), (7537, 38367), (12789, 22611)]