13580721

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19597}}^1$

素因数の和:19621

約数の個数: 24

約数和(自身を含む): 24458304

約数和(自身を除く): 10877583

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693, 19597, 58791, 137179, 176373, 215567, 411537, 646701, 1234611, 1508969, 1940103, 4526907, 13580721]

約数ペア:

[(1, 13580721), (3, 4526907), (7, 1940103), (9, 1508969), (11, 1234611), (21, 646701), (33, 411537), (63, 215567), (77, 176373), (99, 137179), (231, 58791), (693, 19597)]