280804953

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{191}}^1$

素因数の和:390

約数の個数: 64

約数和(自身を含む): 464486400

約数和(自身を除く): 183681447

約数列:

[1, 3, 11, 13, 23, 33, 39, 69, 143, 149, 191, 253, 299, 429, 447, 573, 759, 897, 1639, 1937, 2101, 2483, 3289, 3427, 4393, 4917, 5811, 6303, 7449, 9867, 10281, 13179, 21307, 27313, 28459, 37697, 44551, 48323, 57109, 63921, 81939, 85377, 113091, 133653, 144969, 171327, 313049, 369967, 490061, 628199, 654557, 939147, 1109901, 1470183, 1884597, 1963671, 4069637, 7200127, 8509241, 12208911, 21600381, 25527723, 93601651, 280804953]

約数ペア:

[(1, 280804953), (3, 93601651), (11, 25527723), (13, 21600381), (23, 12208911), (33, 8509241), (39, 7200127), (69, 4069637), (143, 1963671), (149, 1884597), (191, 1470183), (253, 1109901), (299, 939147), (429, 654557), (447, 628199), (573, 490061), (759, 369967), (897, 313049), (1639, 171327), (1937, 144969), (2101, 133653), (2483, 113091), (3289, 85377), (3427, 81939), (4393, 63921), (4917, 57109), (5811, 48323), (6303, 44551), (7449, 37697), (9867, 28459), (10281, 27313), (13179, 21307)]