79827909

素因数分解:

$3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{173}}^1$

素因数の和:306

約数の個数: 48

約数和(自身を含む): 129172032

約数和(自身を除く): 49344123

約数列:

[1, 3, 7, 21, 43, 49, 73, 129, 147, 173, 219, 301, 511, 519, 903, 1211, 1533, 2107, 3139, 3577, 3633, 6321, 7439, 8477, 9417, 10731, 12629, 21973, 22317, 25431, 37887, 52073, 65919, 88403, 153811, 156219, 265209, 364511, 461433, 543047, 618821, 1093533, 1629141, 1856463, 3801329, 11403987, 26609303, 79827909]

約数ペア:

[(1, 79827909), (3, 26609303), (7, 11403987), (21, 3801329), (43, 1856463), (49, 1629141), (73, 1093533), (129, 618821), (147, 543047), (173, 461433), (219, 364511), (301, 265209), (511, 156219), (519, 153811), (903, 88403), (1211, 65919), (1533, 52073), (2107, 37887), (3139, 25431), (3577, 22317), (3633, 21973), (6321, 12629), (7439, 10731), (8477, 9417)]