688620921

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{467}}^1\times {\mathrm{997}}^1$

素因数の和:1513

約数の個数: 32

約数和(自身を含む): 1008858240

約数和(自身を除く): 320237319

約数列:

[1, 3, 17, 29, 51, 87, 467, 493, 997, 1401, 1479, 2991, 7939, 13543, 16949, 23817, 28913, 40629, 50847, 86739, 230231, 465599, 491521, 690693, 1396797, 1474563, 7915183, 13502371, 23745549, 40507113, 229540307, 688620921]

約数ペア:

[(1, 688620921), (3, 229540307), (17, 40507113), (29, 23745549), (51, 13502371), (87, 7915183), (467, 1474563), (493, 1396797), (997, 690693), (1401, 491521), (1479, 465599), (2991, 230231), (7939, 86739), (13543, 50847), (16949, 40629), (23817, 28913)]