1242228393

素因数分解:

$3^6\times 7^1\times {\mathrm{243431}}^1$

素因数の和:243456

約数の個数: 28

約数和(自身を含む): 2128569408

約数和(自身を除く): 886341015

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1701, 5103, 243431, 730293, 1704017, 2190879, 5112051, 6572637, 15336153, 19717911, 46008459, 59153733, 138025377, 177461199, 414076131, 1242228393]

約数ペア:

[(1, 1242228393), (3, 414076131), (7, 177461199), (9, 138025377), (21, 59153733), (27, 46008459), (63, 19717911), (81, 15336153), (189, 6572637), (243, 5112051), (567, 2190879), (729, 1704017), (1701, 730293), (5103, 243431)]