278538219

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{233}}^1\times {\mathrm{3089}}^1$

素因数の和:3371

約数の個数: 24

約数和(自身を含む): 413590320

約数和(自身を除く): 135052101

約数列:

[1, 3, 9, 43, 129, 233, 387, 699, 2097, 3089, 9267, 10019, 27801, 30057, 90171, 132827, 398481, 719737, 1195443, 2159211, 6477633, 30948691, 92846073, 278538219]

約数ペア:

[(1, 278538219), (3, 92846073), (9, 30948691), (43, 6477633), (129, 2159211), (233, 1195443), (387, 719737), (699, 398481), (2097, 132827), (3089, 90171), (9267, 30057), (10019, 27801)]