177642213

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{283}}^1\times {\mathrm{421}}^1$

素因数の和:785

約数の個数: 32

約数和(自身を含む): 276129792

約数和(自身を除く): 98487579

約数列:

[1, 3, 7, 21, 71, 213, 283, 421, 497, 849, 1263, 1491, 1981, 2947, 5943, 8841, 20093, 29891, 60279, 89673, 119143, 140651, 209237, 357429, 421953, 627711, 834001, 2502003, 8459153, 25377459, 59214071, 177642213]

約数ペア:

[(1, 177642213), (3, 59214071), (7, 25377459), (21, 8459153), (71, 2502003), (213, 834001), (283, 627711), (421, 421953), (497, 357429), (849, 209237), (1263, 140651), (1491, 119143), (1981, 89673), (2947, 60279), (5943, 29891), (8841, 20093)]