668889309

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{281}}^1\times {\mathrm{1361}}^1$

素因数の和:1709

約数の個数: 32

約数和(自身を含む): 995545728

約数和(自身を除く): 326656419

約数列:

[1, 3, 11, 33, 53, 159, 281, 583, 843, 1361, 1749, 3091, 4083, 9273, 14893, 14971, 44679, 44913, 72133, 163823, 216399, 382441, 491469, 793463, 1147323, 2380389, 4206851, 12620553, 20269373, 60808119, 222963103, 668889309]

約数ペア:

[(1, 668889309), (3, 222963103), (11, 60808119), (33, 20269373), (53, 12620553), (159, 4206851), (281, 2380389), (583, 1147323), (843, 793463), (1361, 491469), (1749, 382441), (3091, 216399), (4083, 163823), (9273, 72133), (14893, 44913), (14971, 44679)]