187788213

素因数分解:

$3^6\times {\mathrm{173}}^1\times {\mathrm{1489}}^1$

素因数の和:1680

約数の個数: 28

約数和(自身を含む): 283371180

約数和(自身を除く): 95582967

約数列:

[1, 3, 9, 27, 81, 173, 243, 519, 729, 1489, 1557, 4467, 4671, 13401, 14013, 40203, 42039, 120609, 126117, 257597, 361827, 772791, 1085481, 2318373, 6955119, 20865357, 62596071, 187788213]

約数ペア:

[(1, 187788213), (3, 62596071), (9, 20865357), (27, 6955119), (81, 2318373), (173, 1085481), (243, 772791), (519, 361827), (729, 257597), (1489, 126117), (1557, 120609), (4467, 42039), (4671, 40203), (13401, 14013)]