201830919

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{401}}^1$

素因数の和:631

約数の個数: 32

約数和(自身を含む): 291755520

約数和(自身を除く): 89924601

約数列:

[1, 3, 17, 51, 71, 139, 213, 401, 417, 1203, 1207, 2363, 3621, 6817, 7089, 9869, 20451, 28471, 29607, 55739, 85413, 167217, 167773, 484007, 503319, 947563, 1452021, 2842689, 3957469, 11872407, 67276973, 201830919]

約数ペア:

[(1, 201830919), (3, 67276973), (17, 11872407), (51, 3957469), (71, 2842689), (139, 1452021), (213, 947563), (401, 503319), (417, 484007), (1203, 167773), (1207, 167217), (2363, 85413), (3621, 55739), (6817, 29607), (7089, 28471), (9869, 20451)]