202172217

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{1087}}^1$

素因数の和:1373

約数の個数: 32

約数和(自身を含む): 307077120

約数和(自身を除く): 104904903

約数列:

[1, 3, 13, 19, 39, 57, 247, 251, 741, 753, 1087, 3261, 3263, 4769, 9789, 14131, 14307, 20653, 42393, 61959, 61997, 185991, 268489, 272837, 805467, 818511, 3546881, 5183903, 10640643, 15551709, 67390739, 202172217]

約数ペア:

[(1, 202172217), (3, 67390739), (13, 15551709), (19, 10640643), (39, 5183903), (57, 3546881), (247, 818511), (251, 805467), (741, 272837), (753, 268489), (1087, 185991), (3261, 61997), (3263, 61959), (4769, 42393), (9789, 20653), (14131, 14307)]