13221131

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1291}}^1$

素因数の和:1335

約数の個数: 24

約数和(自身を含む): 17674560

約数和(自身を除く): 4453429

約数列:

[1, 7, 11, 19, 49, 77, 133, 209, 539, 931, 1291, 1463, 9037, 10241, 14201, 24529, 63259, 99407, 171703, 269819, 695849, 1201921, 1888733, 13221131]

約数ペア:

[(1, 13221131), (7, 1888733), (11, 1201921), (19, 695849), (49, 269819), (77, 171703), (133, 99407), (209, 63259), (539, 24529), (931, 14201), (1291, 10241), (1463, 9037)]