31275387

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1279}}^1$

素因数の和:1328

約数の個数: 48

約数和(自身を含む): 55910400

約数和(自身を除く): 24635013

約数列:

[1, 3, 9, 11, 13, 19, 33, 39, 57, 99, 117, 143, 171, 209, 247, 429, 627, 741, 1279, 1287, 1881, 2223, 2717, 3837, 8151, 11511, 14069, 16627, 24301, 24453, 42207, 49881, 72903, 126621, 149643, 182897, 218709, 267311, 315913, 548691, 801933, 947739, 1646073, 2405799, 2843217, 3475043, 10425129, 31275387]

約数ペア:

[(1, 31275387), (3, 10425129), (9, 3475043), (11, 2843217), (13, 2405799), (19, 1646073), (33, 947739), (39, 801933), (57, 548691), (99, 315913), (117, 267311), (143, 218709), (171, 182897), (209, 149643), (247, 126621), (429, 72903), (627, 49881), (741, 42207), (1279, 24453), (1287, 24301), (1881, 16627), (2223, 14069), (2717, 11511), (3837, 8151)]