201715191

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{2473}}^1$

素因数の和:2557

約数の個数: 40

約数和(自身を含む): 323302320

約数和(自身を除く): 121587129

約数列:

[1, 3, 9, 19, 27, 53, 57, 81, 159, 171, 477, 513, 1007, 1431, 1539, 2473, 3021, 4293, 7419, 9063, 22257, 27189, 46987, 66771, 81567, 131069, 140961, 200313, 393207, 422883, 1179621, 1268649, 2490311, 3538863, 3805947, 7470933, 10616589, 22412799, 67238397, 201715191]

約数ペア:

[(1, 201715191), (3, 67238397), (9, 22412799), (19, 10616589), (27, 7470933), (53, 3805947), (57, 3538863), (81, 2490311), (159, 1268649), (171, 1179621), (477, 422883), (513, 393207), (1007, 200313), (1431, 140961), (1539, 131069), (2473, 81567), (3021, 66771), (4293, 46987), (7419, 27189), (9063, 22257)]