211417921

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{77813}}^1$

素因数の和:77856

約数の個数: 16

約数和(自身を含む): 261455040

約数和(自身を除く): 50037119

約数列:

[1, 11, 13, 19, 143, 209, 247, 2717, 77813, 855943, 1011569, 1478447, 11127259, 16262917, 19219811, 211417921]

約数ペア:

[(1, 211417921), (11, 19219811), (13, 16262917), (19, 11127259), (143, 1478447), (209, 1011569), (247, 855943), (2717, 77813)]