42130287

素因数分解:

$3^4\times {\mathrm{107}}^1\times {\mathrm{4861}}^1$

素因数の和:4980

約数の個数: 20

約数和(自身を含む): 63536616

約数和(自身を除く): 21406329

約数列:

[1, 3, 9, 27, 81, 107, 321, 963, 2889, 4861, 8667, 14583, 43749, 131247, 393741, 520127, 1560381, 4681143, 14043429, 42130287]

約数ペア:

[(1, 42130287), (3, 14043429), (9, 4681143), (27, 1560381), (81, 520127), (107, 393741), (321, 131247), (963, 43749), (2889, 14583), (4861, 8667)]