248398917

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{8713}}^1$

素因数の和:8789

約数の個数: 32

約数和(自身を含む): 386483328

約数和(自身を除く): 138084411

約数列:

[1, 3, 13, 17, 39, 43, 51, 129, 221, 559, 663, 731, 1677, 2193, 8713, 9503, 26139, 28509, 113269, 148121, 339807, 374659, 444363, 1123977, 1925573, 4870567, 5776719, 6369203, 14611701, 19107609, 82799639, 248398917]

約数ペア:

[(1, 248398917), (3, 82799639), (13, 19107609), (17, 14611701), (39, 6369203), (43, 5776719), (51, 4870567), (129, 1925573), (221, 1123977), (559, 444363), (663, 374659), (731, 339807), (1677, 148121), (2193, 113269), (8713, 28509), (9503, 26139)]