64878561

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{28493}}^1$

素因数の和:28533

約数の個数: 24

約数和(自身を含む): 106681536

約数和(自身を除く): 41802975

約数列:

[1, 3, 9, 11, 23, 33, 69, 99, 207, 253, 759, 2277, 28493, 85479, 256437, 313423, 655339, 940269, 1966017, 2820807, 5898051, 7208729, 21626187, 64878561]

約数ペア:

[(1, 64878561), (3, 21626187), (9, 7208729), (11, 5898051), (23, 2820807), (33, 1966017), (69, 940269), (99, 655339), (207, 313423), (253, 256437), (759, 85479), (2277, 28493)]