861138

素因数分解:

$2^1\times 3^3\times {\mathrm{37}}^1\times {\mathrm{431}}^1$

素因数の和:479

約数の個数: 32

約数和(自身を含む): 1969920

約数和(自身を除く): 1108782

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 54, 74, 111, 222, 333, 431, 666, 862, 999, 1293, 1998, 2586, 3879, 7758, 11637, 15947, 23274, 31894, 47841, 95682, 143523, 287046, 430569, 861138]

約数ペア:

[(1, 861138), (2, 430569), (3, 287046), (6, 143523), (9, 95682), (18, 47841), (27, 31894), (37, 23274), (54, 15947), (74, 11637), (111, 7758), (222, 3879), (333, 2586), (431, 1998), (666, 1293), (862, 999)]