81973087

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{8443}}^1$

素因数の和:8542

約数の個数: 16

約数和(自身を含む): 99976960

約数和(自身を除く): 18003873

約数列:

[1, 7, 19, 73, 133, 511, 1387, 8443, 9709, 59101, 160417, 616339, 1122919, 4314373, 11710441, 81973087]

約数ペア:

[(1, 81973087), (7, 11710441), (19, 4314373), (73, 1122919), (133, 616339), (511, 160417), (1387, 59101), (8443, 9709)]