1661649

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1171}}^1$

素因数の和:1228

約数の個数: 16

約数和(自身を含む): 2475264

約数和(自身を除く): 813615

約数列:

[1, 3, 11, 33, 43, 129, 473, 1171, 1419, 3513, 12881, 38643, 50353, 151059, 553883, 1661649]

約数ペア:

[(1, 1661649), (3, 553883), (11, 151059), (33, 50353), (43, 38643), (129, 12881), (473, 3513), (1171, 1419)]