212316405

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{10477}}^1$

素因数の和:10685

約数の個数: 32

約数和(自身を含む): 390284544

約数和(自身を除く): 177968139

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 193, 579, 965, 1351, 2895, 4053, 6755, 10477, 20265, 31431, 52385, 73339, 157155, 220017, 366695, 1100085, 2022061, 6066183, 10110305, 14154427, 30330915, 42463281, 70772135, 212316405]

約数ペア:

[(1, 212316405), (3, 70772135), (5, 42463281), (7, 30330915), (15, 14154427), (21, 10110305), (35, 6066183), (105, 2022061), (193, 1100085), (579, 366695), (965, 220017), (1351, 157155), (2895, 73339), (4053, 52385), (6755, 31431), (10477, 20265)]