223417257

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{4409}}^1$

素因数の和:4565

約数の個数: 32

約数和(自身を含む): 361267200

約数和(自身を除く): 137849943

約数列:

[1, 3, 7, 19, 21, 57, 127, 133, 381, 399, 889, 2413, 2667, 4409, 7239, 13227, 16891, 30863, 50673, 83771, 92589, 251313, 559943, 586397, 1679829, 1759191, 3919601, 10638917, 11758803, 31916751, 74472419, 223417257]

約数ペア:

[(1, 223417257), (3, 74472419), (7, 31916751), (19, 11758803), (21, 10638917), (57, 3919601), (127, 1759191), (133, 1679829), (381, 586397), (399, 559943), (889, 251313), (2413, 92589), (2667, 83771), (4409, 50673), (7239, 30863), (13227, 16891)]