81126279

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{421}}^1$

素因数の和:510

約数の個数: 48

約数和(自身を含む): 133331744

約数和(自身を除く): 52205465

約数列:

[1, 3, 9, 13, 27, 39, 61, 81, 117, 183, 243, 351, 421, 549, 793, 1053, 1263, 1647, 2379, 3159, 3789, 4941, 5473, 7137, 11367, 14823, 16419, 21411, 25681, 34101, 49257, 64233, 77043, 102303, 147771, 192699, 231129, 333853, 443313, 693387, 1001559, 1329939, 2080161, 3004677, 6240483, 9014031, 27042093, 81126279]

約数ペア:

[(1, 81126279), (3, 27042093), (9, 9014031), (13, 6240483), (27, 3004677), (39, 2080161), (61, 1329939), (81, 1001559), (117, 693387), (183, 443313), (243, 333853), (351, 231129), (421, 192699), (549, 147771), (793, 102303), (1053, 77043), (1263, 64233), (1647, 49257), (2379, 34101), (3159, 25681), (3789, 21411), (4941, 16419), (5473, 14823), (7137, 11367)]