27872299

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{419}}^1$

素因数の和:499

約数の個数: 32

約数和(自身を含む): 37255680

約数和(自身を除く): 9383381

約数列:

[1, 7, 13, 17, 43, 91, 119, 221, 301, 419, 559, 731, 1547, 2933, 3913, 5117, 5447, 7123, 9503, 18017, 38129, 49861, 66521, 92599, 126119, 234221, 306289, 648193, 1639547, 2144023, 3981757, 27872299]

約数ペア:

[(1, 27872299), (7, 3981757), (13, 2144023), (17, 1639547), (43, 648193), (91, 306289), (119, 234221), (221, 126119), (301, 92599), (419, 66521), (559, 49861), (731, 38129), (1547, 18017), (2933, 9503), (3913, 7123), (5117, 5447)]