200520915

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{18541}}^1$

素因数の和:18659

約数の個数: 32

約数和(自身を含む): 370246656

約数和(自身を除く): 169725741

約数列:

[1, 3, 5, 7, 15, 21, 35, 103, 105, 309, 515, 721, 1545, 2163, 3605, 10815, 18541, 55623, 92705, 129787, 278115, 389361, 648935, 1909723, 1946805, 5729169, 9548615, 13368061, 28645845, 40104183, 66840305, 200520915]

約数ペア:

[(1, 200520915), (3, 66840305), (5, 40104183), (7, 28645845), (15, 13368061), (21, 9548615), (35, 5729169), (103, 1946805), (105, 1909723), (309, 648935), (515, 389361), (721, 278115), (1545, 129787), (2163, 92705), (3605, 55623), (10815, 18541)]