1309221

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1$

素因数の和:265

約数の個数: 24

約数和(自身を含む): 2059200

約数和(自身を除く): 749979

約数列:

[1, 3, 9, 17, 43, 51, 129, 153, 199, 387, 597, 731, 1791, 2193, 3383, 6579, 8557, 10149, 25671, 30447, 77013, 145469, 436407, 1309221]

約数ペア:

[(1, 1309221), (3, 436407), (9, 145469), (17, 77013), (43, 30447), (51, 25671), (129, 10149), (153, 8557), (199, 6579), (387, 3383), (597, 2193), (731, 1791)]