15805377

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{211}}^1$

素因数の和:294

約数の個数: 48

約数和(自身を含む): 27780480

約数和(自身を除く): 11975103

約数列:

[1, 3, 7, 9, 21, 29, 41, 63, 87, 123, 203, 211, 261, 287, 369, 609, 633, 861, 1189, 1477, 1827, 1899, 2583, 3567, 4431, 6119, 8323, 8651, 10701, 13293, 18357, 24969, 25953, 42833, 55071, 60557, 74907, 77859, 128499, 181671, 250879, 385497, 545013, 752637, 1756153, 2257911, 5268459, 15805377]

約数ペア:

[(1, 15805377), (3, 5268459), (7, 2257911), (9, 1756153), (21, 752637), (29, 545013), (41, 385497), (63, 250879), (87, 181671), (123, 128499), (203, 77859), (211, 74907), (261, 60557), (287, 55071), (369, 42833), (609, 25953), (633, 24969), (861, 18357), (1189, 13293), (1477, 10701), (1827, 8651), (1899, 8323), (2583, 6119), (3567, 4431)]