1688403981

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{263}}^1\times {\mathrm{857}}^1$

素因数の和:1361

約数の個数: 32

約数和(自身を含む): 2478947328

約数和(自身を除く): 790543347

約数列:

[1, 3, 11, 33, 227, 263, 681, 789, 857, 2497, 2571, 2893, 7491, 8679, 9427, 28281, 59701, 179103, 194539, 225391, 583617, 656711, 676173, 1970133, 2139929, 2479301, 6419787, 7437903, 51163757, 153491271, 562801327, 1688403981]

約数ペア:

[(1, 1688403981), (3, 562801327), (11, 153491271), (33, 51163757), (227, 7437903), (263, 6419787), (681, 2479301), (789, 2139929), (857, 1970133), (2497, 676173), (2571, 656711), (2893, 583617), (7491, 225391), (8679, 194539), (9427, 179103), (28281, 59701)]