2212155

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1$

素因数の和:172

約数の個数: 48

約数和(自身を含む): 4324320

約数和(自身を除く): 2112165

約数列:

[1, 3, 5, 9, 11, 15, 33, 41, 45, 55, 99, 109, 123, 165, 205, 327, 369, 451, 495, 545, 615, 981, 1199, 1353, 1635, 1845, 2255, 3597, 4059, 4469, 4905, 5995, 6765, 10791, 13407, 17985, 20295, 22345, 40221, 49159, 53955, 67035, 147477, 201105, 245795, 442431, 737385, 2212155]

約数ペア:

[(1, 2212155), (3, 737385), (5, 442431), (9, 245795), (11, 201105), (15, 147477), (33, 67035), (41, 53955), (45, 49159), (55, 40221), (99, 22345), (109, 20295), (123, 17985), (165, 13407), (205, 10791), (327, 6765), (369, 5995), (451, 4905), (495, 4469), (545, 4059), (615, 3597), (981, 2255), (1199, 1845), (1353, 1635)]