128102571

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{19963}}^1$

素因数の和:20023

約数の個数: 24

約数和(自身を含む): 199320576

約数和(自身を除く): 71218005

約数列:

[1, 3, 9, 23, 31, 69, 93, 207, 279, 713, 2139, 6417, 19963, 59889, 179667, 459149, 618853, 1377447, 1856559, 4132341, 5569677, 14233619, 42700857, 128102571]

約数ペア:

[(1, 128102571), (3, 42700857), (9, 14233619), (23, 5569677), (31, 4132341), (69, 1856559), (93, 1377447), (207, 618853), (279, 459149), (713, 179667), (2139, 59889), (6417, 19963)]