7828317

素因数分解:

$3^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{907}}^1$

素因数の和:1057

約数の個数: 24

約数和(自身を含む): 13031616

約数和(自身を除く): 5203299

約数列:

[1, 3, 7, 9, 21, 63, 137, 411, 907, 959, 1233, 2721, 2877, 6349, 8163, 8631, 19047, 57141, 124259, 372777, 869813, 1118331, 2609439, 7828317]

約数ペア:

[(1, 7828317), (3, 2609439), (7, 1118331), (9, 869813), (21, 372777), (63, 124259), (137, 57141), (411, 19047), (907, 8631), (959, 8163), (1233, 6349), (2721, 2877)]