1915555509

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{11681}}^1$

素因数の和:11850

約数の個数: 48

約数和(自身を含む): 3353201280

約数和(自身を除く): 1437645771

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 137, 171, 399, 411, 959, 1197, 1233, 2603, 2877, 7809, 8631, 11681, 18221, 23427, 35043, 54663, 81767, 105129, 163989, 221939, 245301, 665817, 735903, 1553573, 1600297, 1997451, 4660719, 4800891, 11202079, 13982157, 14402673, 30405643, 33606237, 91216929, 100818711, 212839501, 273650787, 638518503, 1915555509]

約数ペア:

[(1, 1915555509), (3, 638518503), (7, 273650787), (9, 212839501), (19, 100818711), (21, 91216929), (57, 33606237), (63, 30405643), (133, 14402673), (137, 13982157), (171, 11202079), (399, 4800891), (411, 4660719), (959, 1997451), (1197, 1600297), (1233, 1553573), (2603, 735903), (2877, 665817), (7809, 245301), (8631, 221939), (11681, 163989), (18221, 105129), (23427, 81767), (35043, 54663)]