51389982

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{407857}}^1$

素因数の和:407872

約数の個数: 24

約数和(自身を含む): 127251696

約数和(自身を除く): 75861714

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 407857, 815714, 1223571, 2447142, 2854999, 3670713, 5709998, 7341426, 8564997, 17129994, 25694991, 51389982]

約数ペア:

[(1, 51389982), (2, 25694991), (3, 17129994), (6, 8564997), (7, 7341426), (9, 5709998), (14, 3670713), (18, 2854999), (21, 2447142), (42, 1223571), (63, 815714), (126, 407857)]