209250503

素因数分解:

$7^1\times {\mathrm{11}}^3\times {\mathrm{37}}^1\times {\mathrm{607}}^1$

素因数の和:684

約数の個数: 32

約数和(自身を含む): 270594048

約数和(自身を除く): 61343545

約数列:

[1, 7, 11, 37, 77, 121, 259, 407, 607, 847, 1331, 2849, 4249, 4477, 6677, 9317, 22459, 31339, 46739, 49247, 73447, 157213, 247049, 344729, 514129, 807917, 1729343, 2717539, 5655419, 19022773, 29892929, 209250503]

約数ペア:

[(1, 209250503), (7, 29892929), (11, 19022773), (37, 5655419), (77, 2717539), (121, 1729343), (259, 807917), (407, 514129), (607, 344729), (847, 247049), (1331, 157213), (2849, 73447), (4249, 49247), (4477, 46739), (6677, 31339), (9317, 22459)]