217953791

素因数分解:

${\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{547}}^1$

素因数の和:695

約数の個数: 24

約数和(自身を含む): 249263280

約数和(自身を除く): 31309489

約数列:

[1, 11, 37, 89, 121, 407, 547, 979, 3293, 4477, 6017, 10769, 20239, 36223, 48683, 66187, 222629, 398453, 535513, 1801271, 2448919, 5890643, 19813981, 217953791]

約数ペア:

[(1, 217953791), (11, 19813981), (37, 5890643), (89, 2448919), (121, 1801271), (407, 535513), (547, 398453), (979, 222629), (3293, 66187), (4477, 48683), (6017, 36223), (10769, 20239)]