80642583

素因数分解:

$3^2\times 7^2\times {\mathrm{107}}^1\times {\mathrm{1709}}^1$

素因数の和:1836

約数の個数: 36

約数和(自身を含む): 136847880

約数和(自身を除く): 56205297

約数列:

[1, 3, 7, 9, 21, 49, 63, 107, 147, 321, 441, 749, 963, 1709, 2247, 5127, 5243, 6741, 11963, 15381, 15729, 35889, 47187, 83741, 107667, 182863, 251223, 548589, 753669, 1280041, 1645767, 3840123, 8960287, 11520369, 26880861, 80642583]

約数ペア:

[(1, 80642583), (3, 26880861), (7, 11520369), (9, 8960287), (21, 3840123), (49, 1645767), (63, 1280041), (107, 753669), (147, 548589), (321, 251223), (441, 182863), (749, 107667), (963, 83741), (1709, 47187), (2247, 35889), (5127, 15729), (5243, 15381), (6741, 11963)]