81726183

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{151}}^1$

素因数の和:257

約数の個数: 72

約数和(自身を含む): 151377408

約数和(自身を除く): 69651225

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 71, 77, 99, 121, 151, 213, 231, 363, 453, 497, 639, 693, 781, 847, 1057, 1089, 1359, 1491, 1661, 2343, 2541, 3171, 4473, 4983, 5467, 7029, 7623, 8591, 9513, 10721, 11627, 14949, 16401, 18271, 25773, 32163, 34881, 49203, 54813, 60137, 75047, 77319, 96489, 104643, 117931, 127897, 164439, 180411, 225141, 353793, 383691, 541233, 675423, 825517, 1061379, 1151073, 1297241, 2476551, 3891723, 7429653, 9080687, 11675169, 27242061, 81726183]

約数ペア:

[(1, 81726183), (3, 27242061), (7, 11675169), (9, 9080687), (11, 7429653), (21, 3891723), (33, 2476551), (63, 1297241), (71, 1151073), (77, 1061379), (99, 825517), (121, 675423), (151, 541233), (213, 383691), (231, 353793), (363, 225141), (453, 180411), (497, 164439), (639, 127897), (693, 117931), (781, 104643), (847, 96489), (1057, 77319), (1089, 75047), (1359, 60137), (1491, 54813), (1661, 49203), (2343, 34881), (2541, 32163), (3171, 25773), (4473, 18271), (4983, 16401), (5467, 14949), (7029, 11627), (7623, 10721), (8591, 9513)]