1900883980815

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{39983}}^1\times {\mathrm{73709}}^1$

素因数の和:113743

約数の個数: 32

約数和(自身を含む): 3112264995840

約数和(自身を除く): 1211381015025

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 39983, 73709, 119949, 199915, 221127, 368545, 599745, 1105635, 1719269, 3169487, 5157807, 8596345, 9508461, 15847435, 25789035, 47542305, 2947106947, 8841320841, 14735534735, 44206604205, 126725598721, 380176796163, 633627993605, 1900883980815]

約数ペア:

[(1, 1900883980815), (3, 633627993605), (5, 380176796163), (15, 126725598721), (43, 44206604205), (129, 14735534735), (215, 8841320841), (645, 2947106947), (39983, 47542305), (73709, 25789035), (119949, 15847435), (199915, 9508461), (221127, 8596345), (368545, 5157807), (599745, 3169487), (1105635, 1719269)]