217048689

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{1231}}^1$

素因数の和:1398

約数の個数: 48

約数和(自身を含む): 371314944

約数和(自身を除く): 154266255

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 137, 143, 411, 429, 1231, 1233, 1287, 1507, 1781, 3693, 4521, 5343, 11079, 13541, 13563, 16003, 16029, 19591, 40623, 48009, 58773, 121869, 144027, 168647, 176033, 176319, 505941, 528099, 1517823, 1584297, 1855117, 2192411, 5565351, 6577233, 16696053, 19731699, 24116521, 72349563, 217048689]

約数ペア:

[(1, 217048689), (3, 72349563), (9, 24116521), (11, 19731699), (13, 16696053), (33, 6577233), (39, 5565351), (99, 2192411), (117, 1855117), (137, 1584297), (143, 1517823), (411, 528099), (429, 505941), (1231, 176319), (1233, 176033), (1287, 168647), (1507, 144027), (1781, 121869), (3693, 58773), (4521, 48009), (5343, 40623), (11079, 19591), (13541, 16029), (13563, 16003)]