163981215

素因数分解:

$3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{27817}}^1$

素因数の和:27959

約数の個数: 24

約数和(自身を含む): 286414128

約数和(自身を除く): 122432913

約数列:

[1, 3, 5, 9, 15, 45, 131, 393, 655, 1179, 1965, 5895, 27817, 83451, 139085, 250353, 417255, 1251765, 3644027, 10932081, 18220135, 32796243, 54660405, 163981215]

約数ペア:

[(1, 163981215), (3, 54660405), (5, 32796243), (9, 18220135), (15, 10932081), (45, 3644027), (131, 1251765), (393, 417255), (655, 250353), (1179, 139085), (1965, 83451), (5895, 27817)]