42785967

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{15319}}^1$

素因数の和:15355

約数の個数: 24

約数和(自身を含む): 69859200

約数和(自身を除く): 27073233

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 15319, 45957, 107233, 291061, 321699, 750631, 873183, 2037427, 2251893, 6112281, 14261989, 42785967]

約数ペア:

[(1, 42785967), (3, 14261989), (7, 6112281), (19, 2251893), (21, 2037427), (49, 873183), (57, 750631), (133, 321699), (147, 291061), (399, 107233), (931, 45957), (2793, 15319)]