28020663

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{383}}^1\times {\mathrm{739}}^1$

素因数の和:1139

約数の個数: 24

約数和(自身を含む): 44328960

約数和(自身を除く): 16308297

約数列:

[1, 3, 9, 11, 33, 99, 383, 739, 1149, 2217, 3447, 4213, 6651, 8129, 12639, 24387, 37917, 73161, 283037, 849111, 2547333, 3113407, 9340221, 28020663]

約数ペア:

[(1, 28020663), (3, 9340221), (9, 3113407), (11, 2547333), (33, 849111), (99, 283037), (383, 73161), (739, 37917), (1149, 24387), (2217, 12639), (3447, 8129), (4213, 6651)]