331365321

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{128287}}^1$

素因数の和:128341

約数の個数: 24

約数和(自身を含む): 560361984

約数和(自身を除く): 228996663

約数列:

[1, 3, 7, 9, 21, 41, 63, 123, 287, 369, 861, 2583, 128287, 384861, 898009, 1154583, 2694027, 5259767, 8082081, 15779301, 36818369, 47337903, 110455107, 331365321]

約数ペア:

[(1, 331365321), (3, 110455107), (7, 47337903), (9, 36818369), (21, 15779301), (41, 8082081), (63, 5259767), (123, 2694027), (287, 1154583), (369, 898009), (861, 384861), (2583, 128287)]