20121499305

素因数分解:

$3^3\times 5^1\times {\mathrm{3907}}^1\times {\mathrm{38149}}^1$

素因数の和:42070

約数の個数: 32

約数和(自身を含む): 35781648000

約数和(自身を除く): 15660148695

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 3907, 11721, 19535, 35163, 38149, 58605, 105489, 114447, 175815, 190745, 343341, 527445, 572235, 1030023, 1716705, 5150115, 149048143, 447144429, 745240715, 1341433287, 2235722145, 4024299861, 6707166435, 20121499305]

約数ペア:

[(1, 20121499305), (3, 6707166435), (5, 4024299861), (9, 2235722145), (15, 1341433287), (27, 745240715), (45, 447144429), (135, 149048143), (3907, 5150115), (11721, 1716705), (19535, 1030023), (35163, 572235), (38149, 527445), (58605, 343341), (105489, 190745), (114447, 175815)]