206580969

素因数分解:

$3^3\times 7^1\times {\mathrm{257}}^1\times {\mathrm{4253}}^1$

素因数の和:4526

約数の個数: 32

約数和(自身を含む): 351210240

約数和(自身を除く): 144629271

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 257, 771, 1799, 2313, 4253, 5397, 6939, 12759, 16191, 29771, 38277, 48573, 89313, 114831, 267939, 803817, 1093021, 3279063, 7651147, 9837189, 22953441, 29511567, 68860323, 206580969]

約数ペア:

[(1, 206580969), (3, 68860323), (7, 29511567), (9, 22953441), (21, 9837189), (27, 7651147), (63, 3279063), (189, 1093021), (257, 803817), (771, 267939), (1799, 114831), (2313, 89313), (4253, 48573), (5397, 38277), (6939, 29771), (12759, 16191)]