680929809

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1706591}}^1$

素因数の和:1706620

約数の個数: 16

約数和(自身を含む): 1092218880

約数和(自身を除く): 411289071

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 1706591, 5119773, 11946137, 32425229, 35838411, 97275687, 226976603, 680929809]

約数ペア:

[(1, 680929809), (3, 226976603), (7, 97275687), (19, 35838411), (21, 32425229), (57, 11946137), (133, 5119773), (399, 1706591)]