81423405

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{258487}}^1$

素因数の和:258505

約数の個数: 24

約数和(自身を含む): 161296512

約数和(自身を除く): 79873107

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 258487, 775461, 1292435, 1809409, 2326383, 3877305, 5428227, 9047045, 11631915, 16284681, 27141135, 81423405]

約数ペア:

[(1, 81423405), (3, 27141135), (5, 16284681), (7, 11631915), (9, 9047045), (15, 5428227), (21, 3877305), (35, 2326383), (45, 1809409), (63, 1292435), (105, 775461), (315, 258487)]