247239213

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{2729}}^1$

素因数の和:2869

約数の個数: 32

約数和(自身を含む): 374250240

約数和(自身を除く): 127011027

約数列:

[1, 3, 13, 23, 39, 69, 101, 299, 303, 897, 1313, 2323, 2729, 3939, 6969, 8187, 30199, 35477, 62767, 90597, 106431, 188301, 275629, 815971, 826887, 2447913, 3583177, 6339467, 10749531, 19018401, 82413071, 247239213]

約数ペア:

[(1, 247239213), (3, 82413071), (13, 19018401), (23, 10749531), (39, 6339467), (69, 3583177), (101, 2447913), (299, 826887), (303, 815971), (897, 275629), (1313, 188301), (2323, 106431), (2729, 90597), (3939, 62767), (6969, 35477), (8187, 30199)]