27782769

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{389}}^1$

素因数の和:597

約数の個数: 32

約数和(自身を含む): 44928000

約数和(自身を除く): 17145231

約数列:

[1, 3, 7, 19, 21, 57, 133, 179, 389, 399, 537, 1167, 1253, 2723, 3401, 3759, 7391, 8169, 10203, 22173, 23807, 51737, 69631, 71421, 155211, 208893, 487417, 1322989, 1462251, 3968967, 9260923, 27782769]

約数ペア:

[(1, 27782769), (3, 9260923), (7, 3968967), (19, 1462251), (21, 1322989), (57, 487417), (133, 208893), (179, 155211), (389, 71421), (399, 69631), (537, 51737), (1167, 23807), (1253, 22173), (2723, 10203), (3401, 8169), (3759, 7391)]