61643407

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{4001}}^1$

素因数の和:4110

約数の個数: 16

約数和(自身を含む): 73764864

約数和(自身を除く): 12121457

約数列:

[1, 7, 31, 71, 217, 497, 2201, 4001, 15407, 28007, 124031, 284071, 868217, 1988497, 8806201, 61643407]

約数ペア:

[(1, 61643407), (7, 8806201), (31, 1988497), (71, 868217), (217, 284071), (497, 124031), (2201, 28007), (4001, 15407)]