788807721

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{2741}}^1$

素因数の和:2961

約数の個数: 32

約数和(自身を含む): 1164538368

約数和(自身を除く): 375730647

約数列:

[1, 3, 13, 39, 47, 141, 157, 471, 611, 1833, 2041, 2741, 6123, 7379, 8223, 22137, 35633, 95927, 106899, 128827, 287781, 386481, 430337, 1291011, 1674751, 5024253, 5594381, 16783143, 20225839, 60677517, 262935907, 788807721]

約数ペア:

[(1, 788807721), (3, 262935907), (13, 60677517), (39, 20225839), (47, 16783143), (141, 5594381), (157, 5024253), (471, 1674751), (611, 1291011), (1833, 430337), (2041, 386481), (2741, 287781), (6123, 128827), (7379, 106899), (8223, 95927), (22137, 35633)]