137721213

素因数分解:

$3^2\times 7^2\times {\mathrm{127}}^1\times {\mathrm{2459}}^1$

素因数の和:2606

約数の個数: 36

約数和(自身を含む): 233326080

約数和(自身を除く): 95604867

約数列:

[1, 3, 7, 9, 21, 49, 63, 127, 147, 381, 441, 889, 1143, 2459, 2667, 6223, 7377, 8001, 17213, 18669, 22131, 51639, 56007, 120491, 154917, 312293, 361473, 936879, 1084419, 2186051, 2810637, 6558153, 15302357, 19674459, 45907071, 137721213]

約数ペア:

[(1, 137721213), (3, 45907071), (7, 19674459), (9, 15302357), (21, 6558153), (49, 2810637), (63, 2186051), (127, 1084419), (147, 936879), (381, 361473), (441, 312293), (889, 154917), (1143, 120491), (2459, 56007), (2667, 51639), (6223, 22131), (7377, 18669), (8001, 17213)]