215264853

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{12197}}^1$

素因数の和:12293

約数の個数: 24

約数和(自身を含む): 325393848

約数和(自身を除く): 110128995

約数列:

[1, 3, 9, 37, 53, 111, 159, 333, 477, 1961, 5883, 12197, 17649, 36591, 109773, 451289, 646441, 1353867, 1939323, 4061601, 5817969, 23918317, 71754951, 215264853]

約数ペア:

[(1, 215264853), (3, 71754951), (9, 23918317), (37, 5817969), (53, 4061601), (111, 1939323), (159, 1353867), (333, 646441), (477, 451289), (1961, 109773), (5883, 36591), (12197, 17649)]