51878151

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2593}}^1$

素因数の和:2637

約数の個数: 40

約数和(自身を含む): 87884720

約数和(自身を除く): 36006569

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 81, 117, 171, 247, 351, 513, 741, 1053, 1539, 2223, 2593, 6669, 7779, 20007, 23337, 33709, 49267, 70011, 101127, 147801, 210033, 303381, 443403, 640471, 910143, 1330209, 1921413, 2730429, 3990627, 5764239, 17292717, 51878151]

約数ペア:

[(1, 51878151), (3, 17292717), (9, 5764239), (13, 3990627), (19, 2730429), (27, 1921413), (39, 1330209), (57, 910143), (81, 640471), (117, 443403), (171, 303381), (247, 210033), (351, 147801), (513, 101127), (741, 70011), (1053, 49267), (1539, 33709), (2223, 23337), (2593, 20007), (6669, 7779)]