187869213

素因数分解:

$3^4\times 7^1\times {\mathrm{331339}}^1$

素因数の和:331358

約数の個数: 20

約数和(自身を含む): 320737120

約数和(自身を除く): 132867907

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 331339, 994017, 2319373, 2982051, 6958119, 8946153, 20874357, 26838459, 62623071, 187869213]

約数ペア:

[(1, 187869213), (3, 62623071), (7, 26838459), (9, 20874357), (21, 8946153), (27, 6958119), (63, 2982051), (81, 2319373), (189, 994017), (567, 331339)]