312886959

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{743}}^1\times {\mathrm{1823}}^1$

素因数の和:2587

約数の個数: 32

約数和(自身を含む): 521109504

約数和(自身を除く): 208222545

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 743, 1823, 2229, 5201, 5469, 8173, 12761, 15603, 20053, 24519, 38283, 57211, 60159, 140371, 171633, 421113, 1354489, 4063467, 9481423, 14899379, 28444269, 44698137, 104295653, 312886959]

約数ペア:

[(1, 312886959), (3, 104295653), (7, 44698137), (11, 28444269), (21, 14899379), (33, 9481423), (77, 4063467), (231, 1354489), (743, 421113), (1823, 171633), (2229, 140371), (5201, 60159), (5469, 57211), (8173, 38283), (12761, 24519), (15603, 20053)]