56904981

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{142619}}^1$

素因数の和:142648

約数の個数: 16

約数和(自身を含む): 91276800

約数和(自身を除く): 34371819

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 142619, 427857, 998333, 2709761, 2994999, 8129283, 18968327, 56904981]

約数ペア:

[(1, 56904981), (3, 18968327), (7, 8129283), (19, 2994999), (21, 2709761), (57, 998333), (133, 427857), (399, 142619)]