39870243

素因数分解:

$3^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{4831}}^1$

素因数の和:4975

約数の個数: 24

約数和(自身を含む): 66333696

約数和(自身を除く): 26463453

約数列:

[1, 3, 7, 9, 21, 63, 131, 393, 917, 1179, 2751, 4831, 8253, 14493, 33817, 43479, 101451, 304353, 632861, 1898583, 4430027, 5695749, 13290081, 39870243]

約数ペア:

[(1, 39870243), (3, 13290081), (7, 5695749), (9, 4430027), (21, 1898583), (63, 632861), (131, 304353), (393, 101451), (917, 43479), (1179, 33817), (2751, 14493), (4831, 8253)]