207875781

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{2377}}^1$

素因数の和:2506

約数の個数: 32

約数和(自身を含む): 319603200

約数和(自身を除く): 111727419

約数列:

[1, 3, 9, 27, 41, 79, 123, 237, 369, 711, 1107, 2133, 2377, 3239, 7131, 9717, 21393, 29151, 64179, 87453, 97457, 187783, 292371, 563349, 877113, 1690047, 2631339, 5070141, 7699103, 23097309, 69291927, 207875781]

約数ペア:

[(1, 207875781), (3, 69291927), (9, 23097309), (27, 7699103), (41, 5070141), (79, 2631339), (123, 1690047), (237, 877113), (369, 563349), (711, 292371), (1107, 187783), (2133, 97457), (2377, 87453), (3239, 64179), (7131, 29151), (9717, 21393)]