1245979

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:210

約数の個数: 16

約数和(自身を含む): 1520640

約数和(自身を除く): 274661

約数列:

[1, 7, 23, 71, 109, 161, 497, 763, 1633, 2507, 7739, 11431, 17549, 54173, 177997, 1245979]

約数ペア:

[(1, 1245979), (7, 177997), (23, 54173), (71, 17549), (109, 11431), (161, 7739), (497, 2507), (763, 1633)]