908021247

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{463}}^1\times {\mathrm{1987}}^1$

素因数の和:2507

約数の個数: 32

約数和(自身を含む): 1416855552

約数和(自身を除く): 508834305

約数列:

[1, 3, 7, 21, 47, 141, 329, 463, 987, 1389, 1987, 3241, 5961, 9723, 13909, 21761, 41727, 65283, 93389, 152327, 280167, 456981, 653723, 919981, 1961169, 2759943, 6439867, 19319601, 43239107, 129717321, 302673749, 908021247]

約数ペア:

[(1, 908021247), (3, 302673749), (7, 129717321), (21, 43239107), (47, 19319601), (141, 6439867), (329, 2759943), (463, 1961169), (987, 919981), (1389, 653723), (1987, 456981), (3241, 280167), (5961, 152327), (9723, 93389), (13909, 65283), (21761, 41727)]