13440945

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{18287}}^1$

素因数の和:18309

約数の個数: 24

約数和(自身を含む): 25017984

約数和(自身を除く): 11577039

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 18287, 54861, 91435, 128009, 274305, 384027, 640045, 896063, 1920135, 2688189, 4480315, 13440945]

約数ペア:

[(1, 13440945), (3, 4480315), (5, 2688189), (7, 1920135), (15, 896063), (21, 640045), (35, 384027), (49, 274305), (105, 128009), (147, 91435), (245, 54861), (735, 18287)]