2271781421

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{2543}}^1\times {\mathrm{9817}}^1$

素因数の和:12380

約数の個数: 16

約数和(自身を含む): 2797423104

約数和(自身を除く): 525641683

約数列:

[1, 7, 13, 91, 2543, 9817, 17801, 33059, 68719, 127621, 231413, 893347, 24964631, 174752417, 324540203, 2271781421]

約数ペア:

[(1, 2271781421), (7, 324540203), (13, 174752417), (91, 24964631), (2543, 893347), (9817, 231413), (17801, 127621), (33059, 68719)]