6440931

素因数分解:

$3^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{643}}^1$

素因数の和:712

約数の個数: 32

約数和(自身を含む): 11128320

約数和(自身を除く): 4687389

約数列:

[1, 3, 7, 9, 21, 27, 53, 63, 159, 189, 371, 477, 643, 1113, 1431, 1929, 3339, 4501, 5787, 10017, 13503, 17361, 34079, 40509, 102237, 121527, 238553, 306711, 715659, 920133, 2146977, 6440931]

約数ペア:

[(1, 6440931), (3, 2146977), (7, 920133), (9, 715659), (21, 306711), (27, 238553), (53, 121527), (63, 102237), (159, 40509), (189, 34079), (371, 17361), (477, 13503), (643, 10017), (1113, 5787), (1431, 4501), (1929, 3339)]