16958781

素因数分解:

$3^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1693}}^1$

素因数の和:1762

約数の個数: 32

約数和(自身を含む): 29272320

約数和(自身を除く): 12313539

約数列:

[1, 3, 7, 9, 21, 27, 53, 63, 159, 189, 371, 477, 1113, 1431, 1693, 3339, 5079, 10017, 11851, 15237, 35553, 45711, 89729, 106659, 269187, 319977, 628103, 807561, 1884309, 2422683, 5652927, 16958781]

約数ペア:

[(1, 16958781), (3, 5652927), (7, 2422683), (9, 1884309), (21, 807561), (27, 628103), (53, 319977), (63, 269187), (159, 106659), (189, 89729), (371, 45711), (477, 35553), (1113, 15237), (1431, 11851), (1693, 10017), (3339, 5079)]