213455957

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{199}}^1\times {\mathrm{577}}^1$

素因数の和:813

約数の個数: 24

約数和(自身を含む): 253857600

約数和(自身を除く): 40401643

約数列:

[1, 11, 13, 143, 169, 199, 577, 1859, 2189, 2587, 6347, 7501, 28457, 33631, 82511, 97513, 114823, 369941, 1072643, 1263053, 1492699, 16419689, 19405087, 213455957]

約数ペア:

[(1, 213455957), (11, 19405087), (13, 16419689), (143, 1492699), (169, 1263053), (199, 1072643), (577, 369941), (1859, 114823), (2189, 97513), (2587, 82511), (6347, 33631), (7501, 28457)]