389366943

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{975857}}^1$

素因数の和:975886

約数の個数: 16

約数和(自身を含む): 624549120

約数和(自身を除く): 235182177

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 975857, 2927571, 6830999, 18541283, 20492997, 55623849, 129788981, 389366943]

約数ペア:

[(1, 389366943), (3, 129788981), (7, 55623849), (19, 20492997), (21, 18541283), (57, 6830999), (133, 2927571), (399, 975857)]