261776151

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{106543}}^1$

素因数の和:106572

約数の個数: 32

約数和(自身を含む): 477317120

約数和(自身を除く): 215540969

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 2457, 106543, 319629, 745801, 958887, 1385059, 2237403, 2876661, 4155177, 6712209, 9695413, 12465531, 20136627, 29086239, 37396593, 87258717, 261776151]

約数ペア:

[(1, 261776151), (3, 87258717), (7, 37396593), (9, 29086239), (13, 20136627), (21, 12465531), (27, 9695413), (39, 6712209), (63, 4155177), (91, 2876661), (117, 2237403), (189, 1385059), (273, 958887), (351, 745801), (819, 319629), (2457, 106543)]