202458921

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{1613}}^1$

素因数の和:1805

約数の個数: 32

約数和(自身を含む): 318151680

約数和(自身を除く): 115692759

約数列:

[1, 3, 7, 21, 43, 129, 139, 301, 417, 903, 973, 1613, 2919, 4839, 5977, 11291, 17931, 33873, 41839, 69359, 125517, 208077, 224207, 485513, 672621, 1456539, 1569449, 4708347, 9640901, 28922703, 67486307, 202458921]

約数ペア:

[(1, 202458921), (3, 67486307), (7, 28922703), (21, 9640901), (43, 4708347), (129, 1569449), (139, 1456539), (301, 672621), (417, 485513), (903, 224207), (973, 208077), (1613, 125517), (2919, 69359), (4839, 41839), (5977, 33873), (11291, 17931)]