128916081

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{88969}}^1$

素因数の和:89005

約数の個数: 24

約数和(自身を含む): 222069120

約数和(自身を除く): 93153039

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 88969, 266907, 622783, 800721, 1868349, 2046287, 5605047, 6138861, 14324009, 18416583, 42972027, 128916081]

約数ペア:

[(1, 128916081), (3, 42972027), (7, 18416583), (9, 14324009), (21, 6138861), (23, 5605047), (63, 2046287), (69, 1868349), (161, 800721), (207, 622783), (483, 266907), (1449, 88969)]