209888931

素因数分解:

$3^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{35317}}^1$

素因数の和:35610

約数の個数: 16

約数和(自身を含む): 320969984

約数和(自身を除く): 111081053

約数列:

[1, 3, 7, 21, 283, 849, 1981, 5943, 35317, 105951, 247219, 741657, 9994711, 29984133, 69962977, 209888931]

約数ペア:

[(1, 209888931), (3, 69962977), (7, 29984133), (21, 9994711), (283, 741657), (849, 247219), (1981, 105951), (5943, 35317)]