80814321

素因数分解:

$3^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{10429}}^1$

素因数の和:10486

約数の個数: 32

約数和(自身を含む): 140179200

約数和(自身を除く): 59364879

約数列:

[1, 3, 7, 9, 21, 27, 41, 63, 123, 189, 287, 369, 861, 1107, 2583, 7749, 10429, 31287, 73003, 93861, 219009, 281583, 427589, 657027, 1282767, 1971081, 2993123, 3848301, 8979369, 11544903, 26938107, 80814321]

約数ペア:

[(1, 80814321), (3, 26938107), (7, 11544903), (9, 8979369), (21, 3848301), (27, 2993123), (41, 1971081), (63, 1282767), (123, 657027), (189, 427589), (287, 281583), (369, 219009), (861, 93861), (1107, 73003), (2583, 31287), (7749, 10429)]