81605319

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{8699}}^1$

素因数の和:8814

約数の個数: 16

約数和(自身を含む): 112752000

約数和(自身を除く): 31146681

約数列:

[1, 3, 53, 59, 159, 177, 3127, 8699, 9381, 26097, 461047, 513241, 1383141, 1539723, 27201773, 81605319]

約数ペア:

[(1, 81605319), (3, 27201773), (53, 1539723), (59, 1383141), (159, 513241), (177, 461047), (3127, 26097), (8699, 9381)]