38640735

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{509}}^1$

素因数の和:768

約数の個数: 48

約数和(自身を含む): 77014080

約数和(自身を除く): 38373345

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 241, 315, 509, 723, 1205, 1527, 1687, 2169, 2545, 3563, 3615, 4581, 5061, 7635, 8435, 10689, 10845, 15183, 17815, 22905, 25305, 32067, 53445, 75915, 122669, 160335, 368007, 613345, 858683, 1104021, 1840035, 2576049, 4293415, 5520105, 7728147, 12880245, 38640735]

約数ペア:

[(1, 38640735), (3, 12880245), (5, 7728147), (7, 5520105), (9, 4293415), (15, 2576049), (21, 1840035), (35, 1104021), (45, 858683), (63, 613345), (105, 368007), (241, 160335), (315, 122669), (509, 75915), (723, 53445), (1205, 32067), (1527, 25305), (1687, 22905), (2169, 17815), (2545, 15183), (3563, 10845), (3615, 10689), (4581, 8435), (5061, 7635)]