15903945

素因数分解:

$3^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{367}}^1$

素因数の和:491

約数の個数: 40

約数和(自身を含む): 28854144

約数和(自身を除く): 12950199

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 107, 135, 321, 367, 405, 535, 963, 1101, 1605, 1835, 2889, 3303, 4815, 5505, 8667, 9909, 14445, 16515, 29727, 39269, 43335, 49545, 117807, 148635, 196345, 353421, 589035, 1060263, 1767105, 3180789, 5301315, 15903945]

約数ペア:

[(1, 15903945), (3, 5301315), (5, 3180789), (9, 1767105), (15, 1060263), (27, 589035), (45, 353421), (81, 196345), (107, 148635), (135, 117807), (321, 49545), (367, 43335), (405, 39269), (535, 29727), (963, 16515), (1101, 14445), (1605, 9909), (1835, 8667), (2889, 5505), (3303, 4815)]