29811771

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1$

素因数の和:256

約数の個数: 48

約数和(自身を含む): 49420800

約数和(自身を除く): 19609029

約数列:

[1, 3, 9, 11, 33, 43, 47, 99, 129, 141, 149, 387, 423, 447, 473, 517, 1341, 1419, 1551, 1639, 2021, 4257, 4653, 4917, 6063, 6407, 7003, 14751, 18189, 19221, 21009, 22231, 57663, 63027, 66693, 70477, 77033, 200079, 211431, 231099, 301129, 634293, 693297, 903387, 2710161, 3312419, 9937257, 29811771]

約数ペア:

[(1, 29811771), (3, 9937257), (9, 3312419), (11, 2710161), (33, 903387), (43, 693297), (47, 634293), (99, 301129), (129, 231099), (141, 211431), (149, 200079), (387, 77033), (423, 70477), (447, 66693), (473, 63027), (517, 57663), (1341, 22231), (1419, 21009), (1551, 19221), (1639, 18189), (2021, 14751), (4257, 7003), (4653, 6407), (4917, 6063)]