84681405

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{409}}^1$

素因数の和:570

約数の個数: 48

約数和(自身を含む): 151968960

約数和(自身を除く): 67287555

約数列:

[1, 3, 5, 9, 15, 43, 45, 107, 129, 215, 321, 387, 409, 535, 645, 963, 1227, 1605, 1935, 2045, 3681, 4601, 4815, 6135, 13803, 17587, 18405, 23005, 41409, 43763, 52761, 69015, 87935, 131289, 158283, 207045, 218815, 263805, 393867, 656445, 791415, 1881809, 1969335, 5645427, 9409045, 16936281, 28227135, 84681405]

約数ペア:

[(1, 84681405), (3, 28227135), (5, 16936281), (9, 9409045), (15, 5645427), (43, 1969335), (45, 1881809), (107, 791415), (129, 656445), (215, 393867), (321, 263805), (387, 218815), (409, 207045), (535, 158283), (645, 131289), (963, 87935), (1227, 69015), (1605, 52761), (1935, 43763), (2045, 41409), (3681, 23005), (4601, 18405), (4815, 17587), (6135, 13803)]