12205905

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{223}}^1$

素因数の和:361

約数の個数: 32

約数和(自身を含む): 20321280

約数和(自身を除く): 8115375

約数列:

[1, 3, 5, 15, 41, 89, 123, 205, 223, 267, 445, 615, 669, 1115, 1335, 3345, 3649, 9143, 10947, 18245, 19847, 27429, 45715, 54735, 59541, 99235, 137145, 297705, 813727, 2441181, 4068635, 12205905]

約数ペア:

[(1, 12205905), (3, 4068635), (5, 2441181), (15, 813727), (41, 297705), (89, 137145), (123, 99235), (205, 59541), (223, 54735), (267, 45715), (445, 27429), (615, 19847), (669, 18245), (1115, 10947), (1335, 9143), (3345, 3649)]