205122993

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{3329}}^1$

素因数の和:3421

約数の個数: 32

約数和(自身を含む): 306892800

約数和(自身を除く): 101769807

約数列:

[1, 3, 19, 23, 47, 57, 69, 141, 437, 893, 1081, 1311, 2679, 3243, 3329, 9987, 20539, 61617, 63251, 76567, 156463, 189753, 229701, 469389, 1454773, 2972797, 3598649, 4364319, 8918391, 10795947, 68374331, 205122993]

約数ペア:

[(1, 205122993), (3, 68374331), (19, 10795947), (23, 8918391), (47, 4364319), (57, 3598649), (69, 2972797), (141, 1454773), (437, 469389), (893, 229701), (1081, 189753), (1311, 156463), (2679, 76567), (3243, 63251), (3329, 61617), (9987, 20539)]