15981945

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{8011}}^1$

素因数の和:8045

約数の個数: 32

約数和(自身を含む): 30766080

約数和(自身を除く): 14784135

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 665, 1995, 8011, 24033, 40055, 56077, 120165, 152209, 168231, 280385, 456627, 761045, 841155, 1065463, 2283135, 3196389, 5327315, 15981945]

約数ペア:

[(1, 15981945), (3, 5327315), (5, 3196389), (7, 2283135), (15, 1065463), (19, 841155), (21, 761045), (35, 456627), (57, 280385), (95, 168231), (105, 152209), (133, 120165), (285, 56077), (399, 40055), (665, 24033), (1995, 8011)]