27980953

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{27953}}^1$

素因数の和:27984

約数の個数: 16

約数和(自身を含む): 37570176

約数和(自身を除く): 9589223

約数列:

[1, 7, 11, 13, 77, 91, 143, 1001, 27953, 195671, 307483, 363389, 2152381, 2543723, 3997279, 27980953]

約数ペア:

[(1, 27980953), (7, 3997279), (11, 2543723), (13, 2152381), (77, 363389), (91, 307483), (143, 195671), (1001, 27953)]