387907779

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{393017}}^1$

素因数の和:393074

約数の個数: 16

約数和(自身を含む): 603675648

約数和(自身を除く): 215767869

約数列:

[1, 3, 7, 21, 47, 141, 329, 987, 393017, 1179051, 2751119, 8253357, 18471799, 55415397, 129302593, 387907779]

約数ペア:

[(1, 387907779), (3, 129302593), (7, 55415397), (21, 18471799), (47, 8253357), (141, 2751119), (329, 1179051), (987, 393017)]