221567379

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{313}}^1\times {\mathrm{1129}}^1$

素因数の和:1475

約数の個数: 32

約数和(自身を含む): 340627200

約数和(自身を除く): 119059821

約数列:

[1, 3, 11, 19, 33, 57, 209, 313, 627, 939, 1129, 3387, 3443, 5947, 10329, 12419, 17841, 21451, 37257, 64353, 65417, 196251, 235961, 353377, 707883, 1060131, 3887147, 6714163, 11661441, 20142489, 73855793, 221567379]

約数ペア:

[(1, 221567379), (3, 73855793), (11, 20142489), (19, 11661441), (33, 6714163), (57, 3887147), (209, 1060131), (313, 707883), (627, 353377), (939, 235961), (1129, 196251), (3387, 65417), (3443, 64353), (5947, 37257), (10329, 21451), (12419, 17841)]