81975054

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1$

素因数の和:202

約数の個数: 128

約数和(自身を含む): 212751360

約数和(自身を除く): 130776306

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 29, 34, 37, 42, 51, 58, 74, 87, 102, 107, 111, 119, 174, 203, 214, 222, 238, 259, 321, 357, 406, 493, 518, 609, 629, 642, 714, 749, 777, 986, 1073, 1218, 1258, 1479, 1498, 1554, 1819, 1887, 2146, 2247, 2958, 3103, 3219, 3451, 3638, 3774, 3959, 4403, 4494, 5457, 6206, 6438, 6902, 7511, 7918, 8806, 9309, 10353, 10914, 11877, 12733, 13209, 15022, 18241, 18618, 20706, 21721, 22533, 23754, 25466, 26418, 27713, 36482, 38199, 43442, 45066, 52751, 54723, 55426, 65163, 67303, 76398, 83139, 105502, 109446, 114811, 127687, 130326, 134606, 158253, 166278, 201909, 229622, 255374, 316506, 344433, 369257, 383061, 403818, 471121, 688866, 738514, 766122, 803677, 942242, 1107771, 1413363, 1607354, 1951787, 2215542, 2411031, 2826726, 3903574, 4822062, 5855361, 11710722, 13662509, 27325018, 40987527, 81975054]

約数ペア:

[(1, 81975054), (2, 40987527), (3, 27325018), (6, 13662509), (7, 11710722), (14, 5855361), (17, 4822062), (21, 3903574), (29, 2826726), (34, 2411031), (37, 2215542), (42, 1951787), (51, 1607354), (58, 1413363), (74, 1107771), (87, 942242), (102, 803677), (107, 766122), (111, 738514), (119, 688866), (174, 471121), (203, 403818), (214, 383061), (222, 369257), (238, 344433), (259, 316506), (321, 255374), (357, 229622), (406, 201909), (493, 166278), (518, 158253), (609, 134606), (629, 130326), (642, 127687), (714, 114811), (749, 109446), (777, 105502), (986, 83139), (1073, 76398), (1218, 67303), (1258, 65163), (1479, 55426), (1498, 54723), (1554, 52751), (1819, 45066), (1887, 43442), (2146, 38199), (2247, 36482), (2958, 27713), (3103, 26418), (3219, 25466), (3451, 23754), (3638, 22533), (3774, 21721), (3959, 20706), (4403, 18618), (4494, 18241), (5457, 15022), (6206, 13209), (6438, 12733), (6902, 11877), (7511, 10914), (7918, 10353), (8806, 9309)]