16687377

素因数分解:

$3^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1549}}^1$

素因数の和:1587

約数の個数: 40

約数和(自身を含む): 30008000

約数和(自身を除く): 13320623

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 81, 133, 171, 189, 399, 513, 567, 1197, 1539, 1549, 3591, 4647, 10773, 10843, 13941, 29431, 32529, 41823, 88293, 97587, 125469, 206017, 264879, 292761, 618051, 794637, 878283, 1854153, 2383911, 5562459, 16687377]

約数ペア:

[(1, 16687377), (3, 5562459), (7, 2383911), (9, 1854153), (19, 878283), (21, 794637), (27, 618051), (57, 292761), (63, 264879), (81, 206017), (133, 125469), (171, 97587), (189, 88293), (399, 41823), (513, 32529), (567, 29431), (1197, 13941), (1539, 10843), (1549, 10773), (3591, 4647)]