853281663

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{197}}^1$

素因数の和:416

約数の個数: 64

約数和(自身を含む): 1341204480

約数和(自身を除く): 487922817

約数列:

[1, 3, 13, 17, 39, 47, 51, 139, 141, 197, 221, 417, 591, 611, 663, 799, 1807, 1833, 2363, 2397, 2561, 3349, 5421, 6533, 7089, 7683, 9259, 10047, 10387, 19599, 27383, 27777, 30719, 31161, 43537, 82149, 84929, 92157, 111061, 120367, 130611, 157403, 254787, 333183, 355979, 361101, 465511, 472209, 1067937, 1287001, 1396533, 1443793, 2046239, 3861003, 4331379, 6051643, 6138717, 16731013, 18154929, 21879017, 50193039, 65637051, 284427221, 853281663]

約数ペア:

[(1, 853281663), (3, 284427221), (13, 65637051), (17, 50193039), (39, 21879017), (47, 18154929), (51, 16731013), (139, 6138717), (141, 6051643), (197, 4331379), (221, 3861003), (417, 2046239), (591, 1443793), (611, 1396533), (663, 1287001), (799, 1067937), (1807, 472209), (1833, 465511), (2363, 361101), (2397, 355979), (2561, 333183), (3349, 254787), (5421, 157403), (6533, 130611), (7089, 120367), (7683, 111061), (9259, 92157), (10047, 84929), (10387, 82149), (19599, 43537), (27383, 31161), (27777, 30719)]