211158615

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1$

素因数の和:312

約数の個数: 64

約数和(自身を含む): 369515520

約数和(自身を除く): 158356905

約数列:

[1, 3, 5, 15, 17, 51, 71, 85, 107, 109, 213, 255, 321, 327, 355, 535, 545, 1065, 1207, 1605, 1635, 1819, 1853, 3621, 5457, 5559, 6035, 7597, 7739, 9095, 9265, 11663, 18105, 22791, 23217, 27285, 27795, 34989, 37985, 38695, 58315, 113955, 116085, 129149, 131563, 174945, 198271, 387447, 394689, 594813, 645745, 657815, 828073, 991355, 1937235, 1973445, 2484219, 2974065, 4140365, 12421095, 14077241, 42231723, 70386205, 211158615]

約数ペア:

[(1, 211158615), (3, 70386205), (5, 42231723), (15, 14077241), (17, 12421095), (51, 4140365), (71, 2974065), (85, 2484219), (107, 1973445), (109, 1937235), (213, 991355), (255, 828073), (321, 657815), (327, 645745), (355, 594813), (535, 394689), (545, 387447), (1065, 198271), (1207, 174945), (1605, 131563), (1635, 129149), (1819, 116085), (1853, 113955), (3621, 58315), (5457, 38695), (5559, 37985), (6035, 34989), (7597, 27795), (7739, 27285), (9095, 23217), (9265, 22791), (11663, 18105)]