12921855

素因数分解:

$3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1$

素因数の和:295

約数の個数: 32

約数和(自身を含む): 21337344

約数和(自身を除く): 8415489

約数列:

[1, 3, 5, 15, 83, 97, 107, 249, 291, 321, 415, 485, 535, 1245, 1455, 1605, 8051, 8881, 10379, 24153, 26643, 31137, 40255, 44405, 51895, 120765, 133215, 155685, 861457, 2584371, 4307285, 12921855]

約数ペア:

[(1, 12921855), (3, 4307285), (5, 2584371), (15, 861457), (83, 155685), (97, 133215), (107, 120765), (249, 51895), (291, 44405), (321, 40255), (415, 31137), (485, 26643), (535, 24153), (1245, 10379), (1455, 8881), (1605, 8051)]