63981993

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{227}}^1\times {\mathrm{1999}}^1$

素因数の和:2276

約数の個数: 16

約数和(自身を含む): 87552000

約数和(自身を除く): 23570007

約数列:

[1, 3, 47, 141, 227, 681, 1999, 5997, 10669, 32007, 93953, 281859, 453773, 1361319, 21327331, 63981993]

約数ペア:

[(1, 63981993), (3, 21327331), (47, 1361319), (141, 453773), (227, 281859), (681, 93953), (1999, 32007), (5997, 10669)]