215580213

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{74159}}^1$

素因数の和:74201

約数の個数: 24

約数和(自身を含む): 347068800

約数和(自身を除く): 131488587

約数列:

[1, 3, 9, 17, 19, 51, 57, 153, 171, 323, 969, 2907, 74159, 222477, 667431, 1260703, 1409021, 3782109, 4227063, 11346327, 12681189, 23953357, 71860071, 215580213]

約数ペア:

[(1, 215580213), (3, 71860071), (9, 23953357), (17, 12681189), (19, 11346327), (51, 4227063), (57, 3782109), (153, 1409021), (171, 1260703), (323, 667431), (969, 222477), (2907, 74159)]