81953333

素因数分解:

$7^4\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1$

素因数の和:175

約数の個数: 40

約数和(自身を含む): 108902880

約数和(自身を除く): 26949547

約数列:

[1, 7, 11, 29, 49, 77, 107, 203, 319, 343, 539, 749, 1177, 1421, 2233, 2401, 3103, 3773, 5243, 8239, 9947, 15631, 21721, 26411, 34133, 36701, 57673, 69629, 109417, 152047, 238931, 256907, 403711, 765919, 1064329, 1672517, 2825977, 7450303, 11707619, 81953333]

約数ペア:

[(1, 81953333), (7, 11707619), (11, 7450303), (29, 2825977), (49, 1672517), (77, 1064329), (107, 765919), (203, 403711), (319, 256907), (343, 238931), (539, 152047), (749, 109417), (1177, 69629), (1421, 57673), (2233, 36701), (2401, 34133), (3103, 26411), (3773, 21721), (5243, 15631), (8239, 9947)]