31687227

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{283}}^1$

素因数の和:345

約数の個数: 64

約数和(自身を含む): 57254400

約数和(自身を除く): 25567173

約数列:

[1, 3, 9, 11, 13, 27, 29, 33, 39, 87, 99, 117, 143, 261, 283, 297, 319, 351, 377, 429, 783, 849, 957, 1131, 1287, 2547, 2871, 3113, 3393, 3679, 3861, 4147, 7641, 8207, 8613, 9339, 10179, 11037, 12441, 24621, 28017, 33111, 37323, 40469, 73863, 84051, 90277, 99333, 106691, 111969, 121407, 221589, 270831, 320073, 364221, 812493, 960219, 1092663, 1173601, 2437479, 2880657, 3520803, 10562409, 31687227]

約数ペア:

[(1, 31687227), (3, 10562409), (9, 3520803), (11, 2880657), (13, 2437479), (27, 1173601), (29, 1092663), (33, 960219), (39, 812493), (87, 364221), (99, 320073), (117, 270831), (143, 221589), (261, 121407), (283, 111969), (297, 106691), (319, 99333), (351, 90277), (377, 84051), (429, 73863), (783, 40469), (849, 37323), (957, 33111), (1131, 28017), (1287, 24621), (2547, 12441), (2871, 11037), (3113, 10179), (3393, 9339), (3679, 8613), (3861, 8207), (4147, 7641)]