287785647

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{443}}^1$

素因数の和:628

約数の個数: 48

約数和(自身を含む): 457142400

約数和(自身を除く): 169356753

約数列:

[1, 3, 9, 19, 29, 57, 87, 131, 171, 261, 393, 443, 551, 1179, 1329, 1653, 2489, 3799, 3987, 4959, 7467, 8417, 11397, 12847, 22401, 25251, 34191, 38541, 58033, 72181, 75753, 115623, 174099, 216543, 244093, 522297, 649629, 732279, 1102627, 1682957, 2196837, 3307881, 5048871, 9923643, 15146613, 31976183, 95928549, 287785647]

約数ペア:

[(1, 287785647), (3, 95928549), (9, 31976183), (19, 15146613), (29, 9923643), (57, 5048871), (87, 3307881), (131, 2196837), (171, 1682957), (261, 1102627), (393, 732279), (443, 649629), (551, 522297), (1179, 244093), (1329, 216543), (1653, 174099), (2489, 115623), (3799, 75753), (3987, 72181), (4959, 58033), (7467, 38541), (8417, 34191), (11397, 25251), (12847, 22401)]