355483647

素因数分解:

$3^4\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{761}}^1$

素因数の和:925

約数の個数: 40

約数和(自身を含む): 545835840

約数和(自身を除く): 190352193

約数列:

[1, 3, 9, 27, 73, 79, 81, 219, 237, 657, 711, 761, 1971, 2133, 2283, 5767, 5913, 6399, 6849, 17301, 20547, 51903, 55553, 60119, 61641, 155709, 166659, 180357, 467127, 499977, 541071, 1499931, 1623213, 4388687, 4499793, 4869639, 13166061, 39498183, 118494549, 355483647]

約数ペア:

[(1, 355483647), (3, 118494549), (9, 39498183), (27, 13166061), (73, 4869639), (79, 4499793), (81, 4388687), (219, 1623213), (237, 1499931), (657, 541071), (711, 499977), (761, 467127), (1971, 180357), (2133, 166659), (2283, 155709), (5767, 61641), (5913, 60119), (6399, 55553), (6849, 51903), (17301, 20547)]