68581821

素因数分解:

$3^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1$

素因数の和:191

約数の個数: 64

約数和(自身を含む): 119347200

約数和(自身を除く): 50765379

約数列:

[1, 3, 7, 11, 21, 33, 49, 73, 77, 83, 147, 219, 231, 249, 343, 511, 539, 581, 803, 913, 1029, 1533, 1617, 1743, 2409, 2739, 3577, 3773, 4067, 5621, 6059, 6391, 10731, 11319, 12201, 16863, 18177, 19173, 25039, 28469, 39347, 42413, 44737, 66649, 75117, 85407, 118041, 127239, 134211, 199947, 275429, 296891, 313159, 466543, 826287, 890673, 939477, 1399629, 2078237, 3265801, 6234711, 9797403, 22860607, 68581821]

約数ペア:

[(1, 68581821), (3, 22860607), (7, 9797403), (11, 6234711), (21, 3265801), (33, 2078237), (49, 1399629), (73, 939477), (77, 890673), (83, 826287), (147, 466543), (219, 313159), (231, 296891), (249, 275429), (343, 199947), (511, 134211), (539, 127239), (581, 118041), (803, 85407), (913, 75117), (1029, 66649), (1533, 44737), (1617, 42413), (1743, 39347), (2409, 28469), (2739, 25039), (3577, 19173), (3773, 18177), (4067, 16863), (5621, 12201), (6059, 11319), (6391, 10731)]