220160421

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1559}}^1$

素因数の和:1666

約数の個数: 48

約数和(自身を含む): 367960320

約数和(自身を除く): 147799899

約数列:

[1, 3, 9, 13, 17, 39, 51, 71, 117, 153, 213, 221, 639, 663, 923, 1207, 1559, 1989, 2769, 3621, 4677, 8307, 10863, 14031, 15691, 20267, 26503, 47073, 60801, 79509, 110689, 141219, 182403, 238527, 332067, 344539, 996201, 1033617, 1438957, 1881713, 3100851, 4316871, 5645139, 12950613, 16935417, 24462269, 73386807, 220160421]

約数ペア:

[(1, 220160421), (3, 73386807), (9, 24462269), (13, 16935417), (17, 12950613), (39, 5645139), (51, 4316871), (71, 3100851), (117, 1881713), (153, 1438957), (213, 1033617), (221, 996201), (639, 344539), (663, 332067), (923, 238527), (1207, 182403), (1559, 141219), (1989, 110689), (2769, 79509), (3621, 60801), (4677, 47073), (8307, 26503), (10863, 20267), (14031, 15691)]