291236553

素因数分解:

$3^4\times {\mathrm{139}}^1\times {\mathrm{25867}}^1$

素因数の和:26018

約数の個数: 20

約数和(自身を含む): 438203920

約数和(自身を除く): 146967367

約数列:

[1, 3, 9, 27, 81, 139, 417, 1251, 3753, 11259, 25867, 77601, 232803, 698409, 2095227, 3595513, 10786539, 32359617, 97078851, 291236553]

約数ペア:

[(1, 291236553), (3, 97078851), (9, 32359617), (27, 10786539), (81, 3595513), (139, 2095227), (417, 698409), (1251, 232803), (3753, 77601), (11259, 25867)]