3820995

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1$

素因数の和:180

約数の個数: 48

約数和(自身を含む): 7207200

約数和(自身を除く): 3386205

約数列:

[1, 3, 5, 9, 15, 19, 41, 45, 57, 95, 109, 123, 171, 205, 285, 327, 369, 545, 615, 779, 855, 981, 1635, 1845, 2071, 2337, 3895, 4469, 4905, 6213, 7011, 10355, 11685, 13407, 18639, 22345, 31065, 35055, 40221, 67035, 84911, 93195, 201105, 254733, 424555, 764199, 1273665, 3820995]

約数ペア:

[(1, 3820995), (3, 1273665), (5, 764199), (9, 424555), (15, 254733), (19, 201105), (41, 93195), (45, 84911), (57, 67035), (95, 40221), (109, 35055), (123, 31065), (171, 22345), (205, 18639), (285, 13407), (327, 11685), (369, 10355), (545, 7011), (615, 6213), (779, 4905), (855, 4469), (981, 3895), (1635, 2337), (1845, 2071)]