16389711

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1973}}^1$

素因数の和:2063

約数の個数: 24

約数和(自身を含む): 25867296

約数和(自身を除く): 9477585

約数列:

[1, 3, 9, 13, 39, 71, 117, 213, 639, 923, 1973, 2769, 5919, 8307, 17757, 25649, 76947, 140083, 230841, 420249, 1260747, 1821079, 5463237, 16389711]

約数ペア:

[(1, 16389711), (3, 5463237), (9, 1821079), (13, 1260747), (39, 420249), (71, 230841), (117, 140083), (213, 76947), (639, 25649), (923, 17757), (1973, 8307), (2769, 5919)]