205455393

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{419}}^1$

素因数の和:579

約数の個数: 64

約数和(自身を含む): 361267200

約数和(自身を除く): 155811807

約数列:

[1, 3, 9, 11, 13, 27, 33, 39, 99, 117, 127, 143, 297, 351, 381, 419, 429, 1143, 1257, 1287, 1397, 1651, 3429, 3771, 3861, 4191, 4609, 4953, 5447, 11313, 12573, 13827, 14859, 16341, 18161, 37719, 41481, 44577, 49023, 53213, 54483, 59917, 124443, 147069, 159639, 163449, 179751, 478917, 490347, 539253, 585343, 691769, 1436751, 1617759, 1756029, 2075307, 5268087, 6225921, 7609459, 15804261, 18677763, 22828377, 68485131, 205455393]

約数ペア:

[(1, 205455393), (3, 68485131), (9, 22828377), (11, 18677763), (13, 15804261), (27, 7609459), (33, 6225921), (39, 5268087), (99, 2075307), (117, 1756029), (127, 1617759), (143, 1436751), (297, 691769), (351, 585343), (381, 539253), (419, 490347), (429, 478917), (1143, 179751), (1257, 163449), (1287, 159639), (1397, 147069), (1651, 124443), (3429, 59917), (3771, 54483), (3861, 53213), (4191, 49023), (4609, 44577), (4953, 41481), (5447, 37719), (11313, 18161), (12573, 16341), (13827, 14859)]