393874383

素因数分解:

$3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1\times {\mathrm{2971}}^1$

素因数の和:3147

約数の個数: 32

約数和(自身を含む): 616273920

約数和(自身を除く): 222399537

約数列:

[1, 3, 7, 21, 59, 107, 177, 321, 413, 749, 1239, 2247, 2971, 6313, 8913, 18939, 20797, 44191, 62391, 132573, 175289, 317897, 525867, 953691, 1227023, 2225279, 3681069, 6675837, 18755923, 56267769, 131291461, 393874383]

約数ペア:

[(1, 393874383), (3, 131291461), (7, 56267769), (21, 18755923), (59, 6675837), (107, 3681069), (177, 2225279), (321, 1227023), (413, 953691), (749, 525867), (1239, 317897), (2247, 175289), (2971, 132573), (6313, 62391), (8913, 44191), (18939, 20797)]