258045219

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{257}}^1\times {\mathrm{3847}}^1$

素因数の和:4139

約数の個数: 24

約数和(自身を含む): 387185760

約数和(自身を除く): 129140541

約数列:

[1, 3, 9, 29, 87, 257, 261, 771, 2313, 3847, 7453, 11541, 22359, 34623, 67077, 111563, 334689, 988679, 1004067, 2966037, 8898111, 28671691, 86015073, 258045219]

約数ペア:

[(1, 258045219), (3, 86015073), (9, 28671691), (29, 8898111), (87, 2966037), (257, 1004067), (261, 988679), (771, 334689), (2313, 111563), (3847, 67077), (7453, 34623), (11541, 22359)]