208044405

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{159421}}^1$

素因数の和:159461

約数の個数: 24

約数和(自身を含む): 373047480

約数和(自身を除く): 165003075

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 1305, 159421, 478263, 797105, 1434789, 2391315, 4623209, 7173945, 13869627, 23116045, 41608881, 69348135, 208044405]

約数ペア:

[(1, 208044405), (3, 69348135), (5, 41608881), (9, 23116045), (15, 13869627), (29, 7173945), (45, 4623209), (87, 2391315), (145, 1434789), (261, 797105), (435, 478263), (1305, 159421)]