1215867915

素因数分解:

$3^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{1979}}^1$

素因数の和:2074

約数の個数: 80

約数和(自身を含む): 2294218080

約数和(自身を除く): 1078350165

約数列:

[1, 3, 5, 9, 15, 27, 37, 41, 45, 81, 111, 123, 135, 185, 205, 333, 369, 405, 555, 615, 999, 1107, 1517, 1665, 1845, 1979, 2997, 3321, 4551, 4995, 5535, 5937, 7585, 9895, 13653, 14985, 16605, 17811, 22755, 29685, 40959, 53433, 68265, 73223, 81139, 89055, 122877, 160299, 204795, 219669, 243417, 267165, 366115, 405695, 614385, 659007, 730251, 801495, 1098345, 1217085, 1977021, 2190753, 3002143, 3295035, 3651255, 5931063, 6572259, 9006429, 9885105, 10953765, 15010715, 27019287, 29655315, 32861295, 45032145, 81057861, 135096435, 243173583, 405289305, 1215867915]

約数ペア:

[(1, 1215867915), (3, 405289305), (5, 243173583), (9, 135096435), (15, 81057861), (27, 45032145), (37, 32861295), (41, 29655315), (45, 27019287), (81, 15010715), (111, 10953765), (123, 9885105), (135, 9006429), (185, 6572259), (205, 5931063), (333, 3651255), (369, 3295035), (405, 3002143), (555, 2190753), (615, 1977021), (999, 1217085), (1107, 1098345), (1517, 801495), (1665, 730251), (1845, 659007), (1979, 614385), (2997, 405695), (3321, 366115), (4551, 267165), (4995, 243417), (5535, 219669), (5937, 204795), (7585, 160299), (9895, 122877), (13653, 89055), (14985, 81139), (16605, 73223), (17811, 68265), (22755, 53433), (29685, 40959)]