289043181

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{80491}}^1$

素因数の和:80526

約数の個数: 32

約数和(自身を含む): 515148800

約数和(自身を除く): 226105619

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 133, 171, 189, 399, 513, 1197, 3591, 80491, 241473, 563437, 724419, 1529329, 1690311, 2173257, 4587987, 5070933, 10705303, 13763961, 15212799, 32115909, 41291883, 96347727, 289043181]

約数ペア:

[(1, 289043181), (3, 96347727), (7, 41291883), (9, 32115909), (19, 15212799), (21, 13763961), (27, 10705303), (57, 5070933), (63, 4587987), (133, 2173257), (171, 1690311), (189, 1529329), (399, 724419), (513, 563437), (1197, 241473), (3591, 80491)]