1187788293

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{505657}}^1$

素因数の和:505698

約数の個数: 20

約数和(自身を含む): 1835538540

約数和(自身を除く): 647750247

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 783, 2349, 505657, 1516971, 4550913, 13652739, 14664053, 40958217, 43992159, 131976477, 395929431, 1187788293]

約数ペア:

[(1, 1187788293), (3, 395929431), (9, 131976477), (27, 43992159), (29, 40958217), (81, 14664053), (87, 13652739), (261, 4550913), (783, 1516971), (2349, 505657)]