123970497

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{1979}}^1$

素因数の和:2165

約数の個数: 32

約数和(自身を含む): 200217600

約数和(自身を除く): 76247103

約数列:

[1, 3, 7, 19, 21, 57, 133, 157, 399, 471, 1099, 1979, 2983, 3297, 5937, 8949, 13853, 20881, 37601, 41559, 62643, 112803, 263207, 310703, 789621, 932109, 2174921, 5903357, 6524763, 17710071, 41323499, 123970497]

約数ペア:

[(1, 123970497), (3, 41323499), (7, 17710071), (19, 6524763), (21, 5903357), (57, 2174921), (133, 932109), (157, 789621), (399, 310703), (471, 263207), (1099, 112803), (1979, 62643), (2983, 41559), (3297, 37601), (5937, 20881), (8949, 13853)]