71481795

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{311}}^1$

素因数の和:536

約数の個数: 64

約数和(自身を含む): 143769600

約数和(自身を除く): 72287805

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 199, 231, 311, 385, 597, 933, 995, 1155, 1393, 1555, 2177, 2189, 2985, 3421, 4179, 4665, 6531, 6567, 6965, 10263, 10885, 10945, 15323, 17105, 20895, 23947, 32655, 32835, 45969, 51315, 61889, 71841, 76615, 119735, 185667, 229845, 309445, 359205, 433223, 680779, 928335, 1299669, 2042337, 2166115, 3403895, 4765453, 6498345, 10211685, 14296359, 23827265, 71481795]

約数ペア:

[(1, 71481795), (3, 23827265), (5, 14296359), (7, 10211685), (11, 6498345), (15, 4765453), (21, 3403895), (33, 2166115), (35, 2042337), (55, 1299669), (77, 928335), (105, 680779), (165, 433223), (199, 359205), (231, 309445), (311, 229845), (385, 185667), (597, 119735), (933, 76615), (995, 71841), (1155, 61889), (1393, 51315), (1555, 45969), (2177, 32835), (2189, 32655), (2985, 23947), (3421, 20895), (4179, 17105), (4665, 15323), (6531, 10945), (6567, 10885), (6965, 10263)]