1278125433

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:268

約数の個数: 128

約数和(自身を含む): 2303078400

約数和(自身を除く): 1024952967

約数列:

[1, 3, 9, 13, 17, 23, 27, 39, 51, 67, 69, 117, 139, 153, 201, 207, 221, 299, 351, 391, 417, 459, 603, 621, 663, 871, 897, 1139, 1173, 1251, 1541, 1807, 1809, 1989, 2363, 2613, 2691, 3197, 3417, 3519, 3753, 4623, 5083, 5421, 5967, 7089, 7839, 8073, 9313, 9591, 10251, 10557, 13869, 14807, 15249, 16263, 20033, 21267, 23517, 26197, 27939, 28773, 30719, 30753, 41561, 41607, 44421, 45747, 48789, 54349, 60099, 63801, 78591, 83817, 86319, 92157, 121069, 124683, 133263, 137241, 158321, 163047, 180297, 214199, 235773, 251451, 276471, 340561, 363207, 374049, 399789, 474963, 489141, 540891, 642597, 706537, 707319, 829413, 1021683, 1089621, 1122147, 1424889, 1467423, 1927791, 2058173, 2119611, 2784587, 3065049, 3268863, 3641383, 4274667, 5783373, 6174519, 6358833, 8353761, 9195147, 10924149, 18523557, 19076499, 25061283, 32772447, 47337979, 55570671, 75183849, 98317341, 142013937, 426041811, 1278125433]

約数ペア:

[(1, 1278125433), (3, 426041811), (9, 142013937), (13, 98317341), (17, 75183849), (23, 55570671), (27, 47337979), (39, 32772447), (51, 25061283), (67, 19076499), (69, 18523557), (117, 10924149), (139, 9195147), (153, 8353761), (201, 6358833), (207, 6174519), (221, 5783373), (299, 4274667), (351, 3641383), (391, 3268863), (417, 3065049), (459, 2784587), (603, 2119611), (621, 2058173), (663, 1927791), (871, 1467423), (897, 1424889), (1139, 1122147), (1173, 1089621), (1251, 1021683), (1541, 829413), (1807, 707319), (1809, 706537), (1989, 642597), (2363, 540891), (2613, 489141), (2691, 474963), (3197, 399789), (3417, 374049), (3519, 363207), (3753, 340561), (4623, 276471), (5083, 251451), (5421, 235773), (5967, 214199), (7089, 180297), (7839, 163047), (8073, 158321), (9313, 137241), (9591, 133263), (10251, 124683), (10557, 121069), (13869, 92157), (14807, 86319), (15249, 83817), (16263, 78591), (20033, 63801), (21267, 60099), (23517, 54349), (26197, 48789), (27939, 45747), (28773, 44421), (30719, 41607), (30753, 41561)]