72645405

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{337}}^1\times {\mathrm{2053}}^1$

素因数の和:2405

約数の個数: 32

約数和(自身を含む): 133296384

約数和(自身を除く): 60650979

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 337, 1011, 1685, 2053, 2359, 5055, 6159, 7077, 10265, 11795, 14371, 30795, 35385, 43113, 71855, 215565, 691861, 2075583, 3459305, 4843027, 10377915, 14529081, 24215135, 72645405]

約数ペア:

[(1, 72645405), (3, 24215135), (5, 14529081), (7, 10377915), (15, 4843027), (21, 3459305), (35, 2075583), (105, 691861), (337, 215565), (1011, 71855), (1685, 43113), (2053, 35385), (2359, 30795), (5055, 14371), (6159, 11795), (7077, 10265)]