138638961

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{233}}^1\times {\mathrm{3889}}^1$

素因数の和:4145

約数の個数: 24

約数和(自身を含む): 213000840

約数和(自身を除く): 74361879

約数列:

[1, 3, 9, 17, 51, 153, 233, 699, 2097, 3889, 3961, 11667, 11883, 35001, 35649, 66113, 198339, 595017, 906137, 2718411, 8155233, 15404329, 46212987, 138638961]

約数ペア:

[(1, 138638961), (3, 46212987), (9, 15404329), (17, 8155233), (51, 2718411), (153, 906137), (233, 595017), (699, 198339), (2097, 66113), (3889, 35649), (3961, 35001), (11667, 11883)]