218973651

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{17383}}^1$

素因数の和:17435

約数の個数: 32

約数和(自身を含む): 350461440

約数和(自身を除く): 131487789

約数列:

[1, 3, 13, 17, 19, 39, 51, 57, 221, 247, 323, 663, 741, 969, 4199, 12597, 17383, 52149, 225979, 295511, 330277, 677937, 886533, 990831, 3841643, 4293601, 5614709, 11524929, 12880803, 16844127, 72991217, 218973651]

約数ペア:

[(1, 218973651), (3, 72991217), (13, 16844127), (17, 12880803), (19, 11524929), (39, 5614709), (51, 4293601), (57, 3841643), (221, 990831), (247, 886533), (323, 677937), (663, 330277), (741, 295511), (969, 225979), (4199, 52149), (12597, 17383)]