155358081

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{61871}}^1$

素因数の和:61914

約数の個数: 20

約数和(自身を含む): 239568384

約数和(自身を除く): 84210303

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 61871, 185613, 556839, 1670517, 1918001, 5011551, 5754003, 17262009, 51786027, 155358081]

約数ペア:

[(1, 155358081), (3, 51786027), (9, 17262009), (27, 5754003), (31, 5011551), (81, 1918001), (93, 1670517), (279, 556839), (837, 185613), (2511, 61871)]