2157309

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{283}}^1$

素因数の和:318

約数の個数: 36

約数和(自身を含む): 3928288

約数和(自身を除く): 1770979

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 121, 231, 283, 363, 693, 847, 849, 1089, 1981, 2541, 2547, 3113, 5943, 7623, 9339, 17829, 21791, 28017, 34243, 65373, 102729, 196119, 239701, 308187, 719103, 2157309]

約数ペア:

[(1, 2157309), (3, 719103), (7, 308187), (9, 239701), (11, 196119), (21, 102729), (33, 65373), (63, 34243), (77, 28017), (99, 21791), (121, 17829), (231, 9339), (283, 7623), (363, 5943), (693, 3113), (847, 2547), (849, 2541), (1089, 1981)]