221337345

素因数分解:

$3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1\times {\mathrm{1279}}^1$

素因数の和:1509

約数の個数: 32

約数和(自身を含む): 361267200

約数和(自身を除く): 139929855

約数列:

[1, 3, 5, 15, 83, 139, 249, 415, 417, 695, 1245, 1279, 2085, 3837, 6395, 11537, 19185, 34611, 57685, 106157, 173055, 177781, 318471, 530785, 533343, 888905, 1592355, 2666715, 14755823, 44267469, 73779115, 221337345]

約数ペア:

[(1, 221337345), (3, 73779115), (5, 44267469), (15, 14755823), (83, 2666715), (139, 1592355), (249, 888905), (415, 533343), (417, 530785), (695, 318471), (1245, 177781), (1279, 173055), (2085, 106157), (3837, 57685), (6395, 34611), (11537, 19185)]