81926537

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1931}}^1$

素因数の和:1997

約数の個数: 32

約数和(自身を含む): 111283200

約数和(自身を除く): 29356663

約数列:

[1, 7, 11, 19, 29, 77, 133, 203, 209, 319, 551, 1463, 1931, 2233, 3857, 6061, 13517, 21241, 36689, 42427, 55999, 148687, 256823, 391993, 403579, 615989, 1063981, 2825053, 4311923, 7447867, 11703791, 81926537]

約数ペア:

[(1, 81926537), (7, 11703791), (11, 7447867), (19, 4311923), (29, 2825053), (77, 1063981), (133, 615989), (203, 403579), (209, 391993), (319, 256823), (551, 148687), (1463, 55999), (1931, 42427), (2233, 36689), (3857, 21241), (6061, 13517)]