1138291218

素因数分解:

$2^1\times 3^6\times {\mathrm{780721}}^1$

素因数の和:780741

約数の個数: 28

約数和(自身を含む): 2559987438

約数和(自身を除く): 1421696220

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 243, 486, 729, 1458, 780721, 1561442, 2342163, 4684326, 7026489, 14052978, 21079467, 42158934, 63238401, 126476802, 189715203, 379430406, 569145609, 1138291218]

約数ペア:

[(1, 1138291218), (2, 569145609), (3, 379430406), (6, 189715203), (9, 126476802), (18, 63238401), (27, 42158934), (54, 21079467), (81, 14052978), (162, 7026489), (243, 4684326), (486, 2342163), (729, 1561442), (1458, 780721)]