397883343

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{21569}}^1$

素因数の和:21639

約数の個数: 32

約数和(自身を含む): 637781760

約数和(自身を除く): 239898417

約数列:

[1, 3, 11, 13, 33, 39, 43, 129, 143, 429, 473, 559, 1419, 1677, 6149, 18447, 21569, 64707, 237259, 280397, 711777, 841191, 927467, 2782401, 3084367, 9253101, 10202137, 12057071, 30606411, 36171213, 132627781, 397883343]

約数ペア:

[(1, 397883343), (3, 132627781), (11, 36171213), (13, 30606411), (33, 12057071), (39, 10202137), (43, 9253101), (129, 3084367), (143, 2782401), (429, 927467), (473, 841191), (559, 711777), (1419, 280397), (1677, 237259), (6149, 64707), (18447, 21569)]