219216879

素因数分解:

$3^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{39097}}^1$

素因数の和:39199

約数の個数: 24

約数和(自身を含む): 365957280

約数和(自身を除く): 146740401

約数列:

[1, 3, 7, 9, 21, 63, 89, 267, 623, 801, 1869, 5607, 39097, 117291, 273679, 351873, 821037, 2463111, 3479633, 10438899, 24357431, 31316697, 73072293, 219216879]

約数ペア:

[(1, 219216879), (3, 73072293), (7, 31316697), (9, 24357431), (21, 10438899), (63, 3479633), (89, 2463111), (267, 821037), (623, 351873), (801, 273679), (1869, 117291), (5607, 39097)]