209530989

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{4271}}^1$

素因数の和:4382

約数の個数: 32

約数和(自身を含む): 328089600

約数和(自身を除く): 118558611

約数列:

[1, 3, 9, 23, 27, 69, 79, 207, 237, 621, 711, 1817, 2133, 4271, 5451, 12813, 16353, 38439, 49059, 98233, 115317, 294699, 337409, 884097, 1012227, 2652291, 3036681, 7760407, 9110043, 23281221, 69843663, 209530989]

約数ペア:

[(1, 209530989), (3, 69843663), (9, 23281221), (23, 9110043), (27, 7760407), (69, 3036681), (79, 2652291), (207, 1012227), (237, 884097), (621, 337409), (711, 294699), (1817, 115317), (2133, 98233), (4271, 49059), (5451, 38439), (12813, 16353)]