1278369567

素因数分解:

$3^3\times {\mathrm{89}}^1\times {\mathrm{531989}}^1$

素因数の和:532087

約数の個数: 16

約数和(自身を含む): 1915164000

約数和(自身を除く): 636794433

約数列:

[1, 3, 9, 27, 89, 267, 801, 2403, 531989, 1595967, 4787901, 14363703, 47347021, 142041063, 426123189, 1278369567]

約数ペア:

[(1, 1278369567), (3, 426123189), (9, 142041063), (27, 47347021), (89, 14363703), (267, 4787901), (801, 1595967), (2403, 531989)]