208025901

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{1031}}^1$

素因数の和:1143

約数の個数: 40

約数和(自身を含む): 323668224

約数和(自身を除く): 115642323

約数列:

[1, 3, 9, 27, 47, 53, 81, 141, 159, 423, 477, 1031, 1269, 1431, 2491, 3093, 3807, 4293, 7473, 9279, 22419, 27837, 48457, 54643, 67257, 83511, 145371, 163929, 201771, 436113, 491787, 1308339, 1475361, 2568221, 3925017, 4426083, 7704663, 23113989, 69341967, 208025901]

約数ペア:

[(1, 208025901), (3, 69341967), (9, 23113989), (27, 7704663), (47, 4426083), (53, 3925017), (81, 2568221), (141, 1475361), (159, 1308339), (423, 491787), (477, 436113), (1031, 201771), (1269, 163929), (1431, 145371), (2491, 83511), (3093, 67257), (3807, 54643), (4293, 48457), (7473, 27837), (9279, 22419)]