201231789

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{164809}}^1$

素因数の和:164860

約数の個数: 16

約数和(自身を含む): 300613440

約数和(自身を除く): 99381651

約数列:

[1, 3, 11, 33, 37, 111, 407, 1221, 164809, 494427, 1812899, 5438697, 6097933, 18293799, 67077263, 201231789]

約数ペア:

[(1, 201231789), (3, 67077263), (11, 18293799), (33, 6097933), (37, 5438697), (111, 1812899), (407, 494427), (1221, 164809)]