28608909

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{631}}^1$

素因数の和:785

約数の個数: 32

約数和(自身を含む): 46596096

約数和(自身を除く): 17987187

約数列:

[1, 3, 7, 17, 21, 51, 119, 127, 357, 381, 631, 889, 1893, 2159, 2667, 4417, 6477, 10727, 13251, 15113, 32181, 45339, 75089, 80137, 225267, 240411, 560959, 1362329, 1682877, 4086987, 9536303, 28608909]

約数ペア:

[(1, 28608909), (3, 9536303), (7, 4086987), (17, 1682877), (21, 1362329), (51, 560959), (119, 240411), (127, 225267), (357, 80137), (381, 75089), (631, 45339), (889, 32181), (1893, 15113), (2159, 13251), (2667, 10727), (4417, 6477)]