209890967

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{1153}}^1$

素因数の和:1263

約数の個数: 32

約数和(自身を含む): 263665920

約数和(自身を除く): 53774953

約数列:

[1, 11, 13, 19, 67, 143, 209, 247, 737, 871, 1153, 1273, 2717, 9581, 12683, 14003, 14989, 16549, 21907, 77251, 164879, 182039, 240977, 284791, 849761, 1004263, 1467769, 3132701, 11046893, 16145459, 19080997, 209890967]

約数ペア:

[(1, 209890967), (11, 19080997), (13, 16145459), (19, 11046893), (67, 3132701), (143, 1467769), (209, 1004263), (247, 849761), (737, 284791), (871, 240977), (1153, 182039), (1273, 164879), (2717, 77251), (9581, 21907), (12683, 16549), (14003, 14989)]